Struct swc_ecma_transforms_base::pass::Optional

pub struct Optional<V> {
    pub enabled: bool,
    pub visitor: V,
}

A visitor which visits node only if enabled is true.

Fields

enabled: bool

visitor: V

Implementations

impl<V> Optional<V>

pub fn new(visitor: V, enabled: bool) -> Optional<V>

Trait Implementations

impl<V> Clone for Optional<V> where
    V: Clone, 

pub fn clone(&self) -> Optional<V>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<V> Debug for Optional<V> where
    V: Debug, 

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<V> Fold for Optional<V> where
    V: Fold, 

pub fn fold_accessibility(&mut self, n: Accessibility) -> Accessibility

pub fn fold_array_lit(&mut self, n: ArrayLit) -> ArrayLit

pub fn fold_array_pat(&mut self, n: ArrayPat) -> ArrayPat

pub fn fold_arrow_expr(&mut self, n: ArrowExpr) -> ArrowExpr

pub fn fold_assign_expr(&mut self, n: AssignExpr) -> AssignExpr

pub fn fold_assign_op(&mut self, n: AssignOp) -> AssignOp

pub fn fold_assign_pat(&mut self, n: AssignPat) -> AssignPat

pub fn fold_assign_pat_prop(&mut self, n: AssignPatProp) -> AssignPatProp

pub fn fold_assign_prop(&mut self, n: AssignProp) -> AssignProp

pub fn fold_await_expr(&mut self, n: AwaitExpr) -> AwaitExpr

pub fn fold_big_int(&mut self, n: BigInt) -> BigInt

pub fn fold_big_int_value(&mut self, n: BigInt) -> BigInt

pub fn fold_bin_expr(&mut self, n: BinExpr) -> BinExpr

pub fn fold_binary_op(&mut self, n: BinaryOp) -> BinaryOp

pub fn fold_binding_ident(&mut self, n: BindingIdent) -> BindingIdent

pub fn fold_block_stmt(&mut self, n: BlockStmt) -> BlockStmt

pub fn fold_block_stmt_or_expr(&mut self, n: BlockStmtOrExpr) -> BlockStmtOrExpr

pub fn fold_bool(&mut self, n: Bool) -> Bool

pub fn fold_break_stmt(&mut self, n: BreakStmt) -> BreakStmt

pub fn fold_call_expr(&mut self, n: CallExpr) -> CallExpr

pub fn fold_catch_clause(&mut self, n: CatchClause) -> CatchClause

pub fn fold_class(&mut self, n: Class) -> Class

pub fn fold_class_decl(&mut self, n: ClassDecl) -> ClassDecl

pub fn fold_class_expr(&mut self, n: ClassExpr) -> ClassExpr

pub fn fold_class_member(&mut self, n: ClassMember) -> ClassMember

pub fn fold_class_members(
    &mut self,
    n: Vec<ClassMember, Global>
) -> Vec<ClassMember, Global>

pub fn fold_class_method(&mut self, n: ClassMethod) -> ClassMethod

pub fn fold_class_prop(&mut self, n: ClassProp) -> ClassProp

pub fn fold_computed_prop_name(
    &mut self,
    n: ComputedPropName
) -> ComputedPropName

pub fn fold_cond_expr(&mut self, n: CondExpr) -> CondExpr

pub fn fold_constructor(&mut self, n: Constructor) -> Constructor

pub fn fold_continue_stmt(&mut self, n: ContinueStmt) -> ContinueStmt

pub fn fold_debugger_stmt(&mut self, n: DebuggerStmt) -> DebuggerStmt

pub fn fold_decl(&mut self, n: Decl) -> Decl

pub fn fold_decorator(&mut self, n: Decorator) -> Decorator

pub fn fold_decorators(
    &mut self,
    n: Vec<Decorator, Global>
) -> Vec<Decorator, Global>

pub fn fold_default_decl(&mut self, n: DefaultDecl) -> DefaultDecl

pub fn fold_do_while_stmt(&mut self, n: DoWhileStmt) -> DoWhileStmt

pub fn fold_empty_stmt(&mut self, n: EmptyStmt) -> EmptyStmt

pub fn fold_export_all(&mut self, n: ExportAll) -> ExportAll

pub fn fold_export_decl(&mut self, n: ExportDecl) -> ExportDecl

pub fn fold_export_default_decl(
    &mut self,
    n: ExportDefaultDecl
) -> ExportDefaultDecl

pub fn fold_export_default_expr(
    &mut self,
    n: ExportDefaultExpr
) -> ExportDefaultExpr

pub fn fold_export_default_specifier(
    &mut self,
    n: ExportDefaultSpecifier
) -> ExportDefaultSpecifier

pub fn fold_export_named_specifier(
    &mut self,
    n: ExportNamedSpecifier
) -> ExportNamedSpecifier

pub fn fold_export_namespace_specifier(
    &mut self,
    n: ExportNamespaceSpecifier
) -> ExportNamespaceSpecifier

pub fn fold_export_specifier(&mut self, n: ExportSpecifier) -> ExportSpecifier

pub fn fold_export_specifiers(
    &mut self,
    n: Vec<ExportSpecifier, Global>
) -> Vec<ExportSpecifier, Global>

pub fn fold_expr(&mut self, n: Expr) -> Expr

pub fn fold_expr_or_spread(&mut self, n: ExprOrSpread) -> ExprOrSpread

pub fn fold_expr_or_spreads(
    &mut self,
    n: Vec<ExprOrSpread, Global>
) -> Vec<ExprOrSpread, Global>

pub fn fold_expr_or_super(&mut self, n: ExprOrSuper) -> ExprOrSuper

pub fn fold_expr_stmt(&mut self, n: ExprStmt) -> ExprStmt

pub fn fold_exprs(
    &mut self,
    n: Vec<Box<Expr, Global>, Global>
) -> Vec<Box<Expr, Global>, Global>

pub fn fold_fn_decl(&mut self, n: FnDecl) -> FnDecl

pub fn fold_fn_expr(&mut self, n: FnExpr) -> FnExpr

pub fn fold_for_in_stmt(&mut self, n: ForInStmt) -> ForInStmt

pub fn fold_for_of_stmt(&mut self, n: ForOfStmt) -> ForOfStmt

pub fn fold_for_stmt(&mut self, n: ForStmt) -> ForStmt

pub fn fold_function(&mut self, n: Function) -> Function

pub fn fold_getter_prop(&mut self, n: GetterProp) -> GetterProp

pub fn fold_ident(&mut self, n: Ident) -> Ident

pub fn fold_if_stmt(&mut self, n: IfStmt) -> IfStmt

pub fn fold_import_decl(&mut self, n: ImportDecl) -> ImportDecl

pub fn fold_import_default_specifier(
    &mut self,
    n: ImportDefaultSpecifier
) -> ImportDefaultSpecifier

pub fn fold_import_named_specifier(
    &mut self,
    n: ImportNamedSpecifier
) -> ImportNamedSpecifier

pub fn fold_import_specifier(&mut self, n: ImportSpecifier) -> ImportSpecifier

pub fn fold_import_specifiers(
    &mut self,
    n: Vec<ImportSpecifier, Global>
) -> Vec<ImportSpecifier, Global>

pub fn fold_import_star_as_specifier(
    &mut self,
    n: ImportStarAsSpecifier
) -> ImportStarAsSpecifier

pub fn fold_invalid(&mut self, n: Invalid) -> Invalid

pub fn fold_js_word(
    &mut self,
    n: Atom<JsWordStaticSet>
) -> Atom<JsWordStaticSet>

pub fn fold_jsx_attr(&mut self, n: JSXAttr) -> JSXAttr

pub fn fold_jsx_attr_name(&mut self, n: JSXAttrName) -> JSXAttrName

pub fn fold_jsx_attr_or_spread(&mut self, n: JSXAttrOrSpread) -> JSXAttrOrSpread

pub fn fold_jsx_attr_or_spreads(
    &mut self,
    n: Vec<JSXAttrOrSpread, Global>
) -> Vec<JSXAttrOrSpread, Global>

pub fn fold_jsx_attr_value(&mut self, n: JSXAttrValue) -> JSXAttrValue

pub fn fold_jsx_closing_element(
    &mut self,
    n: JSXClosingElement
) -> JSXClosingElement

pub fn fold_jsx_closing_fragment(
    &mut self,
    n: JSXClosingFragment
) -> JSXClosingFragment

pub fn fold_jsx_element(&mut self, n: JSXElement) -> JSXElement

pub fn fold_jsx_element_child(&mut self, n: JSXElementChild) -> JSXElementChild

pub fn fold_jsx_element_children(
    &mut self,
    n: Vec<JSXElementChild, Global>
) -> Vec<JSXElementChild, Global>

pub fn fold_jsx_element_name(&mut self, n: JSXElementName) -> JSXElementName

pub fn fold_jsx_empty_expr(&mut self, n: JSXEmptyExpr) -> JSXEmptyExpr

pub fn fold_jsx_expr(&mut self, n: JSXExpr) -> JSXExpr

pub fn fold_jsx_expr_container(
    &mut self,
    n: JSXExprContainer
) -> JSXExprContainer

pub fn fold_jsx_fragment(&mut self, n: JSXFragment) -> JSXFragment

pub fn fold_jsx_member_expr(&mut self, n: JSXMemberExpr) -> JSXMemberExpr

pub fn fold_jsx_namespaced_name(
    &mut self,
    n: JSXNamespacedName
) -> JSXNamespacedName

pub fn fold_jsx_object(&mut self, n: JSXObject) -> JSXObject

pub fn fold_jsx_opening_element(
    &mut self,
    n: JSXOpeningElement
) -> JSXOpeningElement

pub fn fold_jsx_opening_fragment(
    &mut self,
    n: JSXOpeningFragment
) -> JSXOpeningFragment

pub fn fold_jsx_spread_child(&mut self, n: JSXSpreadChild) -> JSXSpreadChild

pub fn fold_jsx_text(&mut self, n: JSXText) -> JSXText

pub fn fold_key_value_pat_prop(&mut self, n: KeyValuePatProp) -> KeyValuePatProp

pub fn fold_key_value_prop(&mut self, n: KeyValueProp) -> KeyValueProp

pub fn fold_labeled_stmt(&mut self, n: LabeledStmt) -> LabeledStmt

pub fn fold_lit(&mut self, n: Lit) -> Lit

pub fn fold_member_expr(&mut self, n: MemberExpr) -> MemberExpr

pub fn fold_meta_prop_expr(&mut self, n: MetaPropExpr) -> MetaPropExpr

pub fn fold_method_kind(&mut self, n: MethodKind) -> MethodKind

pub fn fold_method_prop(&mut self, n: MethodProp) -> MethodProp

pub fn fold_module(&mut self, n: Module) -> Module

pub fn fold_module_decl(&mut self, n: ModuleDecl) -> ModuleDecl

pub fn fold_module_item(&mut self, n: ModuleItem) -> ModuleItem

pub fn fold_module_items(
    &mut self,
    n: Vec<ModuleItem, Global>
) -> Vec<ModuleItem, Global>

pub fn fold_named_export(&mut self, n: NamedExport) -> NamedExport

pub fn fold_new_expr(&mut self, n: NewExpr) -> NewExpr

pub fn fold_null(&mut self, n: Null) -> Null

pub fn fold_number(&mut self, n: Number) -> Number

pub fn fold_object_lit(&mut self, n: ObjectLit) -> ObjectLit

pub fn fold_object_pat(&mut self, n: ObjectPat) -> ObjectPat

pub fn fold_object_pat_prop(&mut self, n: ObjectPatProp) -> ObjectPatProp

pub fn fold_object_pat_props(
    &mut self,
    n: Vec<ObjectPatProp, Global>
) -> Vec<ObjectPatProp, Global>

pub fn fold_opt_accessibility(
    &mut self,
    n: Option<Accessibility>
) -> Option<Accessibility>

pub fn fold_opt_block_stmt(&mut self, n: Option<BlockStmt>) -> Option<BlockStmt>

pub fn fold_opt_catch_clause(
    &mut self,
    n: Option<CatchClause>
) -> Option<CatchClause>

pub fn fold_opt_chain_expr(&mut self, n: OptChainExpr) -> OptChainExpr

pub fn fold_opt_expr(
    &mut self,
    n: Option<Box<Expr, Global>>
) -> Option<Box<Expr, Global>>

pub fn fold_opt_expr_or_spread(
    &mut self,
    n: Option<ExprOrSpread>
) -> Option<ExprOrSpread>

pub fn fold_opt_expr_or_spreads(
    &mut self,
    n: Option<Vec<ExprOrSpread, Global>>
) -> Option<Vec<ExprOrSpread, Global>>

pub fn fold_opt_ident(&mut self, n: Option<Ident>) -> Option<Ident>

pub fn fold_opt_js_word(
    &mut self,
    n: Option<Atom<JsWordStaticSet>>
) -> Option<Atom<JsWordStaticSet>>

pub fn fold_opt_jsx_attr_value(
    &mut self,
    n: Option<JSXAttrValue>
) -> Option<JSXAttrValue>

pub fn fold_opt_jsx_closing_element(
    &mut self,
    n: Option<JSXClosingElement>
) -> Option<JSXClosingElement>

pub fn fold_opt_object_lit(&mut self, n: Option<ObjectLit>) -> Option<ObjectLit>

pub fn fold_opt_pat(&mut self, n: Option<Pat>) -> Option<Pat>

pub fn fold_opt_span(&mut self, n: Option<Span>) -> Option<Span>

pub fn fold_opt_stmt(
    &mut self,
    n: Option<Box<Stmt, Global>>
) -> Option<Box<Stmt, Global>>

pub fn fold_opt_str(&mut self, n: Option<Str>) -> Option<Str>

pub fn fold_opt_true_plus_minus(
    &mut self,
    n: Option<TruePlusMinus>
) -> Option<TruePlusMinus>

pub fn fold_opt_ts_entity_name(
    &mut self,
    n: Option<TsEntityName>
) -> Option<TsEntityName>

pub fn fold_opt_ts_namespace_body(
    &mut self,
    n: Option<TsNamespaceBody>
) -> Option<TsNamespaceBody>

pub fn fold_opt_ts_type(
    &mut self,
    n: Option<Box<TsType, Global>>
) -> Option<Box<TsType, Global>>

pub fn fold_opt_ts_type_ann(
    &mut self,
    n: Option<TsTypeAnn>
) -> Option<TsTypeAnn>

pub fn fold_opt_ts_type_param_decl(
    &mut self,
    n: Option<TsTypeParamDecl>
) -> Option<TsTypeParamDecl>

pub fn fold_opt_ts_type_param_instantiation(
    &mut self,
    n: Option<TsTypeParamInstantiation>
) -> Option<TsTypeParamInstantiation>

pub fn fold_opt_var_decl_or_expr(
    &mut self,
    n: Option<VarDeclOrExpr>
) -> Option<VarDeclOrExpr>

pub fn fold_opt_vec_expr_or_spreads(
    &mut self,
    n: Vec<Option<ExprOrSpread>, Global>
) -> Vec<Option<ExprOrSpread>, Global>

pub fn fold_opt_vec_pats(
    &mut self,
    n: Vec<Option<Pat>, Global>
) -> Vec<Option<Pat>, Global>

pub fn fold_param(&mut self, n: Param) -> Param

pub fn fold_param_or_ts_param_prop(
    &mut self,
    n: ParamOrTsParamProp
) -> ParamOrTsParamProp

pub fn fold_param_or_ts_param_props(
    &mut self,
    n: Vec<ParamOrTsParamProp, Global>
) -> Vec<ParamOrTsParamProp, Global>

pub fn fold_params(&mut self, n: Vec<Param, Global>) -> Vec<Param, Global>

pub fn fold_paren_expr(&mut self, n: ParenExpr) -> ParenExpr

pub fn fold_pat(&mut self, n: Pat) -> Pat

pub fn fold_pat_or_expr(&mut self, n: PatOrExpr) -> PatOrExpr

pub fn fold_pats(&mut self, n: Vec<Pat, Global>) -> Vec<Pat, Global>

pub fn fold_private_method(&mut self, n: PrivateMethod) -> PrivateMethod

pub fn fold_private_name(&mut self, n: PrivateName) -> PrivateName

pub fn fold_private_prop(&mut self, n: PrivateProp) -> PrivateProp

pub fn fold_program(&mut self, n: Program) -> Program

pub fn fold_prop(&mut self, n: Prop) -> Prop

pub fn fold_prop_name(&mut self, n: PropName) -> PropName

pub fn fold_prop_or_spread(&mut self, n: PropOrSpread) -> PropOrSpread

pub fn fold_prop_or_spreads(
    &mut self,
    n: Vec<PropOrSpread, Global>
) -> Vec<PropOrSpread, Global>

pub fn fold_regex(&mut self, n: Regex) -> Regex

pub fn fold_rest_pat(&mut self, n: RestPat) -> RestPat

pub fn fold_return_stmt(&mut self, n: ReturnStmt) -> ReturnStmt

pub fn fold_script(&mut self, n: Script) -> Script

pub fn fold_seq_expr(&mut self, n: SeqExpr) -> SeqExpr

pub fn fold_setter_prop(&mut self, n: SetterProp) -> SetterProp

pub fn fold_span(&mut self, n: Span) -> Span

pub fn fold_spread_element(&mut self, n: SpreadElement) -> SpreadElement

pub fn fold_stmt(&mut self, n: Stmt) -> Stmt

pub fn fold_stmts(&mut self, n: Vec<Stmt, Global>) -> Vec<Stmt, Global>

pub fn fold_str(&mut self, n: Str) -> Str

pub fn fold_str_kind(&mut self, n: StrKind) -> StrKind

pub fn fold_super(&mut self, n: Super) -> Super

pub fn fold_switch_case(&mut self, n: SwitchCase) -> SwitchCase

pub fn fold_switch_cases(
    &mut self,
    n: Vec<SwitchCase, Global>
) -> Vec<SwitchCase, Global>

pub fn fold_switch_stmt(&mut self, n: SwitchStmt) -> SwitchStmt

pub fn fold_tagged_tpl(&mut self, n: TaggedTpl) -> TaggedTpl

pub fn fold_this_expr(&mut self, n: ThisExpr) -> ThisExpr

pub fn fold_throw_stmt(&mut self, n: ThrowStmt) -> ThrowStmt

pub fn fold_tpl(&mut self, n: Tpl) -> Tpl

pub fn fold_tpl_element(&mut self, n: TplElement) -> TplElement

pub fn fold_tpl_elements(
    &mut self,
    n: Vec<TplElement, Global>
) -> Vec<TplElement, Global>

pub fn fold_true_plus_minus(&mut self, n: TruePlusMinus) -> TruePlusMinus

pub fn fold_try_stmt(&mut self, n: TryStmt) -> TryStmt

pub fn fold_ts_array_type(&mut self, n: TsArrayType) -> TsArrayType

pub fn fold_ts_as_expr(&mut self, n: TsAsExpr) -> TsAsExpr

pub fn fold_ts_call_signature_decl(
    &mut self,
    n: TsCallSignatureDecl
) -> TsCallSignatureDecl

pub fn fold_ts_conditional_type(
    &mut self,
    n: TsConditionalType
) -> TsConditionalType

pub fn fold_ts_const_assertion(
    &mut self,
    n: TsConstAssertion
) -> TsConstAssertion

pub fn fold_ts_construct_signature_decl(
    &mut self,
    n: TsConstructSignatureDecl
) -> TsConstructSignatureDecl

pub fn fold_ts_constructor_type(
    &mut self,
    n: TsConstructorType
) -> TsConstructorType

pub fn fold_ts_entity_name(&mut self, n: TsEntityName) -> TsEntityName

pub fn fold_ts_enum_decl(&mut self, n: TsEnumDecl) -> TsEnumDecl

pub fn fold_ts_enum_member(&mut self, n: TsEnumMember) -> TsEnumMember

pub fn fold_ts_enum_member_id(&mut self, n: TsEnumMemberId) -> TsEnumMemberId

pub fn fold_ts_enum_members(
    &mut self,
    n: Vec<TsEnumMember, Global>
) -> Vec<TsEnumMember, Global>

pub fn fold_ts_export_assignment(
    &mut self,
    n: TsExportAssignment
) -> TsExportAssignment

pub fn fold_ts_expr_with_type_args(
    &mut self,
    n: TsExprWithTypeArgs
) -> TsExprWithTypeArgs

pub fn fold_ts_expr_with_type_args_vec(
    &mut self,
    n: Vec<TsExprWithTypeArgs, Global>
) -> Vec<TsExprWithTypeArgs, Global>

pub fn fold_ts_external_module_ref(
    &mut self,
    n: TsExternalModuleRef
) -> TsExternalModuleRef

pub fn fold_ts_fn_or_constructor_type(
    &mut self,
    n: TsFnOrConstructorType
) -> TsFnOrConstructorType

pub fn fold_ts_fn_param(&mut self, n: TsFnParam) -> TsFnParam

pub fn fold_ts_fn_params(
    &mut self,
    n: Vec<TsFnParam, Global>
) -> Vec<TsFnParam, Global>

pub fn fold_ts_fn_type(&mut self, n: TsFnType) -> TsFnType

pub fn fold_ts_getter_signature(
    &mut self,
    n: TsGetterSignature
) -> TsGetterSignature

pub fn fold_ts_import_equals_decl(
    &mut self,
    n: TsImportEqualsDecl
) -> TsImportEqualsDecl

pub fn fold_ts_import_type(&mut self, n: TsImportType) -> TsImportType

pub fn fold_ts_index_signature(
    &mut self,
    n: TsIndexSignature
) -> TsIndexSignature

pub fn fold_ts_indexed_access_type(
    &mut self,
    n: TsIndexedAccessType
) -> TsIndexedAccessType

pub fn fold_ts_infer_type(&mut self, n: TsInferType) -> TsInferType

pub fn fold_ts_interface_body(&mut self, n: TsInterfaceBody) -> TsInterfaceBody

pub fn fold_ts_interface_decl(&mut self, n: TsInterfaceDecl) -> TsInterfaceDecl

pub fn fold_ts_intersection_type(
    &mut self,
    n: TsIntersectionType
) -> TsIntersectionType

pub fn fold_ts_keyword_type(&mut self, n: TsKeywordType) -> TsKeywordType

pub fn fold_ts_keyword_type_kind(
    &mut self,
    n: TsKeywordTypeKind
) -> TsKeywordTypeKind

pub fn fold_ts_lit(&mut self, n: TsLit) -> TsLit

pub fn fold_ts_lit_type(&mut self, n: TsLitType) -> TsLitType

pub fn fold_ts_mapped_type(&mut self, n: TsMappedType) -> TsMappedType

pub fn fold_ts_method_signature(
    &mut self,
    n: TsMethodSignature
) -> TsMethodSignature

pub fn fold_ts_module_block(&mut self, n: TsModuleBlock) -> TsModuleBlock

pub fn fold_ts_module_decl(&mut self, n: TsModuleDecl) -> TsModuleDecl

pub fn fold_ts_module_name(&mut self, n: TsModuleName) -> TsModuleName

pub fn fold_ts_module_ref(&mut self, n: TsModuleRef) -> TsModuleRef

pub fn fold_ts_namespace_body(&mut self, n: TsNamespaceBody) -> TsNamespaceBody

pub fn fold_ts_namespace_decl(&mut self, n: TsNamespaceDecl) -> TsNamespaceDecl

pub fn fold_ts_namespace_export_decl(
    &mut self,
    n: TsNamespaceExportDecl
) -> TsNamespaceExportDecl

pub fn fold_ts_non_null_expr(&mut self, n: TsNonNullExpr) -> TsNonNullExpr

pub fn fold_ts_optional_type(&mut self, n: TsOptionalType) -> TsOptionalType

pub fn fold_ts_param_prop(&mut self, n: TsParamProp) -> TsParamProp

pub fn fold_ts_param_prop_param(
    &mut self,
    n: TsParamPropParam
) -> TsParamPropParam

pub fn fold_ts_parenthesized_type(
    &mut self,
    n: TsParenthesizedType
) -> TsParenthesizedType

pub fn fold_ts_property_signature(
    &mut self,
    n: TsPropertySignature
) -> TsPropertySignature

pub fn fold_ts_qualified_name(&mut self, n: TsQualifiedName) -> TsQualifiedName

pub fn fold_ts_rest_type(&mut self, n: TsRestType) -> TsRestType

pub fn fold_ts_setter_signature(
    &mut self,
    n: TsSetterSignature
) -> TsSetterSignature

pub fn fold_ts_this_type(&mut self, n: TsThisType) -> TsThisType

pub fn fold_ts_this_type_or_ident(
    &mut self,
    n: TsThisTypeOrIdent
) -> TsThisTypeOrIdent

pub fn fold_ts_tpl_lit_type(&mut self, n: TsTplLitType) -> TsTplLitType

pub fn fold_ts_tuple_element(&mut self, n: TsTupleElement) -> TsTupleElement

pub fn fold_ts_tuple_elements(
    &mut self,
    n: Vec<TsTupleElement, Global>
) -> Vec<TsTupleElement, Global>

pub fn fold_ts_tuple_type(&mut self, n: TsTupleType) -> TsTupleType

pub fn fold_ts_type(&mut self, n: TsType) -> TsType

pub fn fold_ts_type_alias_decl(&mut self, n: TsTypeAliasDecl) -> TsTypeAliasDecl

pub fn fold_ts_type_ann(&mut self, n: TsTypeAnn) -> TsTypeAnn

pub fn fold_ts_type_assertion(&mut self, n: TsTypeAssertion) -> TsTypeAssertion

pub fn fold_ts_type_element(&mut self, n: TsTypeElement) -> TsTypeElement

pub fn fold_ts_type_elements(
    &mut self,
    n: Vec<TsTypeElement, Global>
) -> Vec<TsTypeElement, Global>

pub fn fold_ts_type_lit(&mut self, n: TsTypeLit) -> TsTypeLit

pub fn fold_ts_type_operator(&mut self, n: TsTypeOperator) -> TsTypeOperator

pub fn fold_ts_type_operator_op(
    &mut self,
    n: TsTypeOperatorOp
) -> TsTypeOperatorOp

pub fn fold_ts_type_param(&mut self, n: TsTypeParam) -> TsTypeParam

pub fn fold_ts_type_param_decl(&mut self, n: TsTypeParamDecl) -> TsTypeParamDecl

pub fn fold_ts_type_param_instantiation(
    &mut self,
    n: TsTypeParamInstantiation
) -> TsTypeParamInstantiation

pub fn fold_ts_type_params(
    &mut self,
    n: Vec<TsTypeParam, Global>
) -> Vec<TsTypeParam, Global>

pub fn fold_ts_type_predicate(&mut self, n: TsTypePredicate) -> TsTypePredicate

pub fn fold_ts_type_query(&mut self, n: TsTypeQuery) -> TsTypeQuery

pub fn fold_ts_type_query_expr(&mut self, n: TsTypeQueryExpr) -> TsTypeQueryExpr

pub fn fold_ts_type_ref(&mut self, n: TsTypeRef) -> TsTypeRef

pub fn fold_ts_types(
    &mut self,
    n: Vec<Box<TsType, Global>, Global>
) -> Vec<Box<TsType, Global>, Global>

pub fn fold_ts_union_or_intersection_type(
    &mut self,
    n: TsUnionOrIntersectionType
) -> TsUnionOrIntersectionType

pub fn fold_ts_union_type(&mut self, n: TsUnionType) -> TsUnionType

pub fn fold_unary_expr(&mut self, n: UnaryExpr) -> UnaryExpr

pub fn fold_unary_op(&mut self, n: UnaryOp) -> UnaryOp

pub fn fold_update_expr(&mut self, n: UpdateExpr) -> UpdateExpr

pub fn fold_update_op(&mut self, n: UpdateOp) -> UpdateOp

pub fn fold_var_decl(&mut self, n: VarDecl) -> VarDecl

pub fn fold_var_decl_kind(&mut self, n: VarDeclKind) -> VarDeclKind

pub fn fold_var_decl_or_expr(&mut self, n: VarDeclOrExpr) -> VarDeclOrExpr

pub fn fold_var_decl_or_pat(&mut self, n: VarDeclOrPat) -> VarDeclOrPat

pub fn fold_var_declarator(&mut self, n: VarDeclarator) -> VarDeclarator

pub fn fold_var_declarators(
    &mut self,
    n: Vec<VarDeclarator, Global>
) -> Vec<VarDeclarator, Global>

pub fn fold_while_stmt(&mut self, n: WhileStmt) -> WhileStmt

pub fn fold_with_stmt(&mut self, n: WithStmt) -> WithStmt

pub fn fold_yield_expr(&mut self, n: YieldExpr) -> YieldExpr

impl<V> PartialEq<Optional<V>> for Optional<V> where
    V: PartialEq<V>, 

pub fn eq(&self, other: &Optional<V>) -> bool

This method tests for self and other values to be equal, and is used by ==.

pub fn ne(&self, other: &Optional<V>) -> bool

This method tests for !=.

impl<V> Visit for Optional<V> where
    V: Visit, 

pub fn visit_accessibility(
    &mut self,
    n: &Accessibility,
    _parent: &(dyn Node + 'static)
)

pub fn visit_array_lit(&mut self, n: &ArrayLit, _parent: &(dyn Node + 'static))

pub fn visit_array_pat(&mut self, n: &ArrayPat, _parent: &(dyn Node + 'static))

pub fn visit_arrow_expr(
    &mut self,
    n: &ArrowExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_expr(
    &mut self,
    n: &AssignExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_op(&mut self, n: &AssignOp, _parent: &(dyn Node + 'static))

pub fn visit_assign_pat(
    &mut self,
    n: &AssignPat,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_pat_prop(
    &mut self,
    n: &AssignPatProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_prop(
    &mut self,
    n: &AssignProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_await_expr(
    &mut self,
    n: &AwaitExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_big_int(&mut self, n: &BigInt, _parent: &(dyn Node + 'static))

pub fn visit_big_int_value(
    &mut self,
    n: &BigInt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_bin_expr(&mut self, n: &BinExpr, _parent: &(dyn Node + 'static))

pub fn visit_binary_op(&mut self, n: &BinaryOp, _parent: &(dyn Node + 'static))

pub fn visit_binding_ident(
    &mut self,
    n: &BindingIdent,
    _parent: &(dyn Node + 'static)
)

pub fn visit_block_stmt(
    &mut self,
    n: &BlockStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_block_stmt_or_expr(
    &mut self,
    n: &BlockStmtOrExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_bool(&mut self, n: &Bool, _parent: &(dyn Node + 'static))

pub fn visit_break_stmt(
    &mut self,
    n: &BreakStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_call_expr(&mut self, n: &CallExpr, _parent: &(dyn Node + 'static))

pub fn visit_catch_clause(
    &mut self,
    n: &CatchClause,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class(&mut self, n: &Class, _parent: &(dyn Node + 'static))

pub fn visit_class_decl(
    &mut self,
    n: &ClassDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_expr(
    &mut self,
    n: &ClassExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_member(
    &mut self,
    n: &ClassMember,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_members(
    &mut self,
    n: &[ClassMember],
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_method(
    &mut self,
    n: &ClassMethod,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_prop(
    &mut self,
    n: &ClassProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_computed_prop_name(
    &mut self,
    n: &ComputedPropName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_cond_expr(&mut self, n: &CondExpr, _parent: &(dyn Node + 'static))

pub fn visit_constructor(
    &mut self,
    n: &Constructor,
    _parent: &(dyn Node + 'static)
)

pub fn visit_continue_stmt(
    &mut self,
    n: &ContinueStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_debugger_stmt(
    &mut self,
    n: &DebuggerStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_decl(&mut self, n: &Decl, _parent: &(dyn Node + 'static))

pub fn visit_decorator(&mut self, n: &Decorator, _parent: &(dyn Node + 'static))

pub fn visit_decorators(
    &mut self,
    n: &[Decorator],
    _parent: &(dyn Node + 'static)
)

pub fn visit_default_decl(
    &mut self,
    n: &DefaultDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_do_while_stmt(
    &mut self,
    n: &DoWhileStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_empty_stmt(
    &mut self,
    n: &EmptyStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_all(
    &mut self,
    n: &ExportAll,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_decl(
    &mut self,
    n: &ExportDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_default_decl(
    &mut self,
    n: &ExportDefaultDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_default_expr(
    &mut self,
    n: &ExportDefaultExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_default_specifier(
    &mut self,
    n: &ExportDefaultSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_named_specifier(
    &mut self,
    n: &ExportNamedSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_namespace_specifier(
    &mut self,
    n: &ExportNamespaceSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_specifier(
    &mut self,
    n: &ExportSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_specifiers(
    &mut self,
    n: &[ExportSpecifier],
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr(&mut self, n: &Expr, _parent: &(dyn Node + 'static))

pub fn visit_expr_or_spread(
    &mut self,
    n: &ExprOrSpread,
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr_or_spreads(
    &mut self,
    n: &[ExprOrSpread],
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr_or_super(
    &mut self,
    n: &ExprOrSuper,
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr_stmt(&mut self, n: &ExprStmt, _parent: &(dyn Node + 'static))

pub fn visit_exprs(
    &mut self,
    n: &[Box<Expr, Global>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_fn_decl(&mut self, n: &FnDecl, _parent: &(dyn Node + 'static))

pub fn visit_fn_expr(&mut self, n: &FnExpr, _parent: &(dyn Node + 'static))

pub fn visit_for_in_stmt(
    &mut self,
    n: &ForInStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_for_of_stmt(
    &mut self,
    n: &ForOfStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_for_stmt(&mut self, n: &ForStmt, _parent: &(dyn Node + 'static))

pub fn visit_function(&mut self, n: &Function, _parent: &(dyn Node + 'static))

pub fn visit_getter_prop(
    &mut self,
    n: &GetterProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ident(&mut self, n: &Ident, _parent: &(dyn Node + 'static))

pub fn visit_if_stmt(&mut self, n: &IfStmt, _parent: &(dyn Node + 'static))

pub fn visit_import_decl(
    &mut self,
    n: &ImportDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_default_specifier(
    &mut self,
    n: &ImportDefaultSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_named_specifier(
    &mut self,
    n: &ImportNamedSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_specifier(
    &mut self,
    n: &ImportSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_specifiers(
    &mut self,
    n: &[ImportSpecifier],
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_star_as_specifier(
    &mut self,
    n: &ImportStarAsSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_invalid(&mut self, n: &Invalid, _parent: &(dyn Node + 'static))

pub fn visit_js_word(
    &mut self,
    n: &Atom<JsWordStaticSet>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr(&mut self, n: &JSXAttr, _parent: &(dyn Node + 'static))

pub fn visit_jsx_attr_name(
    &mut self,
    n: &JSXAttrName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr_or_spread(
    &mut self,
    n: &JSXAttrOrSpread,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr_or_spreads(
    &mut self,
    n: &[JSXAttrOrSpread],
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr_value(
    &mut self,
    n: &JSXAttrValue,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_closing_element(
    &mut self,
    n: &JSXClosingElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_closing_fragment(
    &mut self,
    n: &JSXClosingFragment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element(
    &mut self,
    n: &JSXElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element_child(
    &mut self,
    n: &JSXElementChild,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element_children(
    &mut self,
    n: &[JSXElementChild],
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element_name(
    &mut self,
    n: &JSXElementName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_empty_expr(
    &mut self,
    n: &JSXEmptyExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_expr(&mut self, n: &JSXExpr, _parent: &(dyn Node + 'static))

pub fn visit_jsx_expr_container(
    &mut self,
    n: &JSXExprContainer,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_fragment(
    &mut self,
    n: &JSXFragment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_member_expr(
    &mut self,
    n: &JSXMemberExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_namespaced_name(
    &mut self,
    n: &JSXNamespacedName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_object(
    &mut self,
    n: &JSXObject,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_opening_element(
    &mut self,
    n: &JSXOpeningElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_opening_fragment(
    &mut self,
    n: &JSXOpeningFragment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_spread_child(
    &mut self,
    n: &JSXSpreadChild,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_text(&mut self, n: &JSXText, _parent: &(dyn Node + 'static))

pub fn visit_key_value_pat_prop(
    &mut self,
    n: &KeyValuePatProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_key_value_prop(
    &mut self,
    n: &KeyValueProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_labeled_stmt(
    &mut self,
    n: &LabeledStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_lit(&mut self, n: &Lit, _parent: &(dyn Node + 'static))

pub fn visit_member_expr(
    &mut self,
    n: &MemberExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_meta_prop_expr(
    &mut self,
    n: &MetaPropExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_method_kind(
    &mut self,
    n: &MethodKind,
    _parent: &(dyn Node + 'static)
)

pub fn visit_method_prop(
    &mut self,
    n: &MethodProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_module(&mut self, n: &Module, _parent: &(dyn Node + 'static))

pub fn visit_module_decl(
    &mut self,
    n: &ModuleDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_module_item(
    &mut self,
    n: &ModuleItem,
    _parent: &(dyn Node + 'static)
)

pub fn visit_module_items(
    &mut self,
    n: &[ModuleItem],
    _parent: &(dyn Node + 'static)
)

pub fn visit_named_export(
    &mut self,
    n: &NamedExport,
    _parent: &(dyn Node + 'static)
)

pub fn visit_new_expr(&mut self, n: &NewExpr, _parent: &(dyn Node + 'static))

pub fn visit_null(&mut self, n: &Null, _parent: &(dyn Node + 'static))

pub fn visit_number(&mut self, n: &Number, _parent: &(dyn Node + 'static))

pub fn visit_object_lit(
    &mut self,
    n: &ObjectLit,
    _parent: &(dyn Node + 'static)
)

pub fn visit_object_pat(
    &mut self,
    n: &ObjectPat,
    _parent: &(dyn Node + 'static)
)

pub fn visit_object_pat_prop(
    &mut self,
    n: &ObjectPatProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_object_pat_props(
    &mut self,
    n: &[ObjectPatProp],
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_accessibility(
    &mut self,
    n: Option<&Accessibility>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_block_stmt(
    &mut self,
    n: Option<&BlockStmt>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_catch_clause(
    &mut self,
    n: Option<&CatchClause>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_chain_expr(
    &mut self,
    n: &OptChainExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_expr(
    &mut self,
    n: Option<&Box<Expr, Global>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_expr_or_spread(
    &mut self,
    n: Option<&ExprOrSpread>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_expr_or_spreads(
    &mut self,
    n: Option<&[ExprOrSpread]>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ident(
    &mut self,
    n: Option<&Ident>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_js_word(
    &mut self,
    n: Option<&Atom<JsWordStaticSet>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_jsx_attr_value(
    &mut self,
    n: Option<&JSXAttrValue>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_jsx_closing_element(
    &mut self,
    n: Option<&JSXClosingElement>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_object_lit(
    &mut self,
    n: Option<&ObjectLit>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_pat(&mut self, n: Option<&Pat>, _parent: &(dyn Node + 'static))

pub fn visit_opt_span(
    &mut self,
    n: Option<&Span>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_stmt(
    &mut self,
    n: Option<&Box<Stmt, Global>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_str(&mut self, n: Option<&Str>, _parent: &(dyn Node + 'static))

pub fn visit_opt_true_plus_minus(
    &mut self,
    n: Option<&TruePlusMinus>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_entity_name(
    &mut self,
    n: Option<&TsEntityName>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_namespace_body(
    &mut self,
    n: Option<&TsNamespaceBody>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type(
    &mut self,
    n: Option<&Box<TsType, Global>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type_ann(
    &mut self,
    n: Option<&TsTypeAnn>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type_param_decl(
    &mut self,
    n: Option<&TsTypeParamDecl>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type_param_instantiation(
    &mut self,
    n: Option<&TsTypeParamInstantiation>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_var_decl_or_expr(
    &mut self,
    n: Option<&VarDeclOrExpr>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_vec_expr_or_spreads(
    &mut self,
    n: &[Option<ExprOrSpread>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_vec_pats(
    &mut self,
    n: &[Option<Pat>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_param(&mut self, n: &Param, _parent: &(dyn Node + 'static))

pub fn visit_param_or_ts_param_prop(
    &mut self,
    n: &ParamOrTsParamProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_param_or_ts_param_props(
    &mut self,
    n: &[ParamOrTsParamProp],
    _parent: &(dyn Node + 'static)
)

pub fn visit_params(&mut self, n: &[Param], _parent: &(dyn Node + 'static))

pub fn visit_paren_expr(
    &mut self,
    n: &ParenExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_pat(&mut self, n: &Pat, _parent: &(dyn Node + 'static))

pub fn visit_pat_or_expr(
    &mut self,
    n: &PatOrExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_pats(&mut self, n: &[Pat], _parent: &(dyn Node + 'static))

pub fn visit_private_method(
    &mut self,
    n: &PrivateMethod,
    _parent: &(dyn Node + 'static)
)

pub fn visit_private_name(
    &mut self,
    n: &PrivateName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_private_prop(
    &mut self,
    n: &PrivateProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_program(&mut self, n: &Program, _parent: &(dyn Node + 'static))

pub fn visit_prop(&mut self, n: &Prop, _parent: &(dyn Node + 'static))

pub fn visit_prop_name(&mut self, n: &PropName, _parent: &(dyn Node + 'static))

pub fn visit_prop_or_spread(
    &mut self,
    n: &PropOrSpread,
    _parent: &(dyn Node + 'static)
)

pub fn visit_prop_or_spreads(
    &mut self,
    n: &[PropOrSpread],
    _parent: &(dyn Node + 'static)
)

pub fn visit_regex(&mut self, n: &Regex, _parent: &(dyn Node + 'static))

pub fn visit_rest_pat(&mut self, n: &RestPat, _parent: &(dyn Node + 'static))

pub fn visit_return_stmt(
    &mut self,
    n: &ReturnStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_script(&mut self, n: &Script, _parent: &(dyn Node + 'static))

pub fn visit_seq_expr(&mut self, n: &SeqExpr, _parent: &(dyn Node + 'static))

pub fn visit_setter_prop(
    &mut self,
    n: &SetterProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_span(&mut self, n: &Span, _parent: &(dyn Node + 'static))

pub fn visit_spread_element(
    &mut self,
    n: &SpreadElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_stmt(&mut self, n: &Stmt, _parent: &(dyn Node + 'static))

pub fn visit_stmts(&mut self, n: &[Stmt], _parent: &(dyn Node + 'static))

pub fn visit_str(&mut self, n: &Str, _parent: &(dyn Node + 'static))

pub fn visit_str_kind(&mut self, n: &StrKind, _parent: &(dyn Node + 'static))

pub fn visit_super(&mut self, n: &Super, _parent: &(dyn Node + 'static))

pub fn visit_switch_case(
    &mut self,
    n: &SwitchCase,
    _parent: &(dyn Node + 'static)
)

pub fn visit_switch_cases(
    &mut self,
    n: &[SwitchCase],
    _parent: &(dyn Node + 'static)
)

pub fn visit_switch_stmt(
    &mut self,
    n: &SwitchStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_tagged_tpl(
    &mut self,
    n: &TaggedTpl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_this_expr(&mut self, n: &ThisExpr, _parent: &(dyn Node + 'static))

pub fn visit_throw_stmt(
    &mut self,
    n: &ThrowStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_tpl(&mut self, n: &Tpl, _parent: &(dyn Node + 'static))

pub fn visit_tpl_element(
    &mut self,
    n: &TplElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_tpl_elements(
    &mut self,
    n: &[TplElement],
    _parent: &(dyn Node + 'static)
)

pub fn visit_true_plus_minus(
    &mut self,
    n: &TruePlusMinus,
    _parent: &(dyn Node + 'static)
)

pub fn visit_try_stmt(&mut self, n: &TryStmt, _parent: &(dyn Node + 'static))

pub fn visit_ts_array_type(
    &mut self,
    n: &TsArrayType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_as_expr(&mut self, n: &TsAsExpr, _parent: &(dyn Node + 'static))

pub fn visit_ts_call_signature_decl(
    &mut self,
    n: &TsCallSignatureDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_conditional_type(
    &mut self,
    n: &TsConditionalType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_const_assertion(
    &mut self,
    n: &TsConstAssertion,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_construct_signature_decl(
    &mut self,
    n: &TsConstructSignatureDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_constructor_type(
    &mut self,
    n: &TsConstructorType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_entity_name(
    &mut self,
    n: &TsEntityName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_decl(
    &mut self,
    n: &TsEnumDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_member(
    &mut self,
    n: &TsEnumMember,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_member_id(
    &mut self,
    n: &TsEnumMemberId,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_members(
    &mut self,
    n: &[TsEnumMember],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_export_assignment(
    &mut self,
    n: &TsExportAssignment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_expr_with_type_args(
    &mut self,
    n: &TsExprWithTypeArgs,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_expr_with_type_args_vec(
    &mut self,
    n: &[TsExprWithTypeArgs],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_external_module_ref(
    &mut self,
    n: &TsExternalModuleRef,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_or_constructor_type(
    &mut self,
    n: &TsFnOrConstructorType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_param(
    &mut self,
    n: &TsFnParam,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_params(
    &mut self,
    n: &[TsFnParam],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_type(&mut self, n: &TsFnType, _parent: &(dyn Node + 'static))

pub fn visit_ts_getter_signature(
    &mut self,
    n: &TsGetterSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_import_equals_decl(
    &mut self,
    n: &TsImportEqualsDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_import_type(
    &mut self,
    n: &TsImportType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_index_signature(
    &mut self,
    n: &TsIndexSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_indexed_access_type(
    &mut self,
    n: &TsIndexedAccessType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_infer_type(
    &mut self,
    n: &TsInferType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_interface_body(
    &mut self,
    n: &TsInterfaceBody,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_interface_decl(
    &mut self,
    n: &TsInterfaceDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_intersection_type(
    &mut self,
    n: &TsIntersectionType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_keyword_type(
    &mut self,
    n: &TsKeywordType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_keyword_type_kind(
    &mut self,
    n: &TsKeywordTypeKind,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_lit(&mut self, n: &TsLit, _parent: &(dyn Node + 'static))

pub fn visit_ts_lit_type(
    &mut self,
    n: &TsLitType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_mapped_type(
    &mut self,
    n: &TsMappedType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_method_signature(
    &mut self,
    n: &TsMethodSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_block(
    &mut self,
    n: &TsModuleBlock,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_decl(
    &mut self,
    n: &TsModuleDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_name(
    &mut self,
    n: &TsModuleName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_ref(
    &mut self,
    n: &TsModuleRef,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_namespace_body(
    &mut self,
    n: &TsNamespaceBody,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_namespace_decl(
    &mut self,
    n: &TsNamespaceDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_namespace_export_decl(
    &mut self,
    n: &TsNamespaceExportDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_non_null_expr(
    &mut self,
    n: &TsNonNullExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_optional_type(
    &mut self,
    n: &TsOptionalType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_param_prop(
    &mut self,
    n: &TsParamProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_param_prop_param(
    &mut self,
    n: &TsParamPropParam,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_parenthesized_type(
    &mut self,
    n: &TsParenthesizedType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_property_signature(
    &mut self,
    n: &TsPropertySignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_qualified_name(
    &mut self,
    n: &TsQualifiedName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_rest_type(
    &mut self,
    n: &TsRestType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_setter_signature(
    &mut self,
    n: &TsSetterSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_this_type(
    &mut self,
    n: &TsThisType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_this_type_or_ident(
    &mut self,
    n: &TsThisTypeOrIdent,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tpl_lit_type(
    &mut self,
    n: &TsTplLitType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tuple_element(
    &mut self,
    n: &TsTupleElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tuple_elements(
    &mut self,
    n: &[TsTupleElement],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tuple_type(
    &mut self,
    n: &TsTupleType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type(&mut self, n: &TsType, _parent: &(dyn Node + 'static))

pub fn visit_ts_type_alias_decl(
    &mut self,
    n: &TsTypeAliasDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_ann(
    &mut self,
    n: &TsTypeAnn,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_assertion(
    &mut self,
    n: &TsTypeAssertion,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_element(
    &mut self,
    n: &TsTypeElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_elements(
    &mut self,
    n: &[TsTypeElement],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_lit(
    &mut self,
    n: &TsTypeLit,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_operator(
    &mut self,
    n: &TsTypeOperator,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_operator_op(
    &mut self,
    n: &TsTypeOperatorOp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_param(
    &mut self,
    n: &TsTypeParam,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_param_decl(
    &mut self,
    n: &TsTypeParamDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_param_instantiation(
    &mut self,
    n: &TsTypeParamInstantiation,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_params(
    &mut self,
    n: &[TsTypeParam],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_predicate(
    &mut self,
    n: &TsTypePredicate,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_query(
    &mut self,
    n: &TsTypeQuery,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_query_expr(
    &mut self,
    n: &TsTypeQueryExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_ref(
    &mut self,
    n: &TsTypeRef,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_types(
    &mut self,
    n: &[Box<TsType, Global>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_union_or_intersection_type(
    &mut self,
    n: &TsUnionOrIntersectionType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_union_type(
    &mut self,
    n: &TsUnionType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_unary_expr(
    &mut self,
    n: &UnaryExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_unary_op(&mut self, n: &UnaryOp, _parent: &(dyn Node + 'static))

pub fn visit_update_expr(
    &mut self,
    n: &UpdateExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_update_op(&mut self, n: &UpdateOp, _parent: &(dyn Node + 'static))

pub fn visit_var_decl(&mut self, n: &VarDecl, _parent: &(dyn Node + 'static))

pub fn visit_var_decl_kind(
    &mut self,
    n: &VarDeclKind,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_decl_or_expr(
    &mut self,
    n: &VarDeclOrExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_decl_or_pat(
    &mut self,
    n: &VarDeclOrPat,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_declarator(
    &mut self,
    n: &VarDeclarator,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_declarators(
    &mut self,
    n: &[VarDeclarator],
    _parent: &(dyn Node + 'static)
)

pub fn visit_while_stmt(
    &mut self,
    n: &WhileStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_with_stmt(&mut self, n: &WithStmt, _parent: &(dyn Node + 'static))

pub fn visit_yield_expr(
    &mut self,
    n: &YieldExpr,
    _parent: &(dyn Node + 'static)
)

impl<V> VisitAll for Optional<V> where
    V: VisitAll, 

pub fn visit_accessibility(
    &mut self,
    n: &Accessibility,
    _parent: &(dyn Node + 'static)
)

pub fn visit_array_lit(&mut self, n: &ArrayLit, _parent: &(dyn Node + 'static))

pub fn visit_array_pat(&mut self, n: &ArrayPat, _parent: &(dyn Node + 'static))

pub fn visit_arrow_expr(
    &mut self,
    n: &ArrowExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_expr(
    &mut self,
    n: &AssignExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_op(&mut self, n: &AssignOp, _parent: &(dyn Node + 'static))

pub fn visit_assign_pat(
    &mut self,
    n: &AssignPat,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_pat_prop(
    &mut self,
    n: &AssignPatProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_assign_prop(
    &mut self,
    n: &AssignProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_await_expr(
    &mut self,
    n: &AwaitExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_big_int(&mut self, n: &BigInt, _parent: &(dyn Node + 'static))

pub fn visit_big_int_value(
    &mut self,
    n: &BigInt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_bin_expr(&mut self, n: &BinExpr, _parent: &(dyn Node + 'static))

pub fn visit_binary_op(&mut self, n: &BinaryOp, _parent: &(dyn Node + 'static))

pub fn visit_binding_ident(
    &mut self,
    n: &BindingIdent,
    _parent: &(dyn Node + 'static)
)

pub fn visit_block_stmt(
    &mut self,
    n: &BlockStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_block_stmt_or_expr(
    &mut self,
    n: &BlockStmtOrExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_bool(&mut self, n: &Bool, _parent: &(dyn Node + 'static))

pub fn visit_break_stmt(
    &mut self,
    n: &BreakStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_call_expr(&mut self, n: &CallExpr, _parent: &(dyn Node + 'static))

pub fn visit_catch_clause(
    &mut self,
    n: &CatchClause,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class(&mut self, n: &Class, _parent: &(dyn Node + 'static))

pub fn visit_class_decl(
    &mut self,
    n: &ClassDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_expr(
    &mut self,
    n: &ClassExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_member(
    &mut self,
    n: &ClassMember,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_members(
    &mut self,
    n: &[ClassMember],
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_method(
    &mut self,
    n: &ClassMethod,
    _parent: &(dyn Node + 'static)
)

pub fn visit_class_prop(
    &mut self,
    n: &ClassProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_computed_prop_name(
    &mut self,
    n: &ComputedPropName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_cond_expr(&mut self, n: &CondExpr, _parent: &(dyn Node + 'static))

pub fn visit_constructor(
    &mut self,
    n: &Constructor,
    _parent: &(dyn Node + 'static)
)

pub fn visit_continue_stmt(
    &mut self,
    n: &ContinueStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_debugger_stmt(
    &mut self,
    n: &DebuggerStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_decl(&mut self, n: &Decl, _parent: &(dyn Node + 'static))

pub fn visit_decorator(&mut self, n: &Decorator, _parent: &(dyn Node + 'static))

pub fn visit_decorators(
    &mut self,
    n: &[Decorator],
    _parent: &(dyn Node + 'static)
)

pub fn visit_default_decl(
    &mut self,
    n: &DefaultDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_do_while_stmt(
    &mut self,
    n: &DoWhileStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_empty_stmt(
    &mut self,
    n: &EmptyStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_all(
    &mut self,
    n: &ExportAll,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_decl(
    &mut self,
    n: &ExportDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_default_decl(
    &mut self,
    n: &ExportDefaultDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_default_expr(
    &mut self,
    n: &ExportDefaultExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_default_specifier(
    &mut self,
    n: &ExportDefaultSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_named_specifier(
    &mut self,
    n: &ExportNamedSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_namespace_specifier(
    &mut self,
    n: &ExportNamespaceSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_specifier(
    &mut self,
    n: &ExportSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_export_specifiers(
    &mut self,
    n: &[ExportSpecifier],
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr(&mut self, n: &Expr, _parent: &(dyn Node + 'static))

pub fn visit_expr_or_spread(
    &mut self,
    n: &ExprOrSpread,
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr_or_spreads(
    &mut self,
    n: &[ExprOrSpread],
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr_or_super(
    &mut self,
    n: &ExprOrSuper,
    _parent: &(dyn Node + 'static)
)

pub fn visit_expr_stmt(&mut self, n: &ExprStmt, _parent: &(dyn Node + 'static))

pub fn visit_exprs(
    &mut self,
    n: &[Box<Expr, Global>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_fn_decl(&mut self, n: &FnDecl, _parent: &(dyn Node + 'static))

pub fn visit_fn_expr(&mut self, n: &FnExpr, _parent: &(dyn Node + 'static))

pub fn visit_for_in_stmt(
    &mut self,
    n: &ForInStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_for_of_stmt(
    &mut self,
    n: &ForOfStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_for_stmt(&mut self, n: &ForStmt, _parent: &(dyn Node + 'static))

pub fn visit_function(&mut self, n: &Function, _parent: &(dyn Node + 'static))

pub fn visit_getter_prop(
    &mut self,
    n: &GetterProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ident(&mut self, n: &Ident, _parent: &(dyn Node + 'static))

pub fn visit_if_stmt(&mut self, n: &IfStmt, _parent: &(dyn Node + 'static))

pub fn visit_import_decl(
    &mut self,
    n: &ImportDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_default_specifier(
    &mut self,
    n: &ImportDefaultSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_named_specifier(
    &mut self,
    n: &ImportNamedSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_specifier(
    &mut self,
    n: &ImportSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_specifiers(
    &mut self,
    n: &[ImportSpecifier],
    _parent: &(dyn Node + 'static)
)

pub fn visit_import_star_as_specifier(
    &mut self,
    n: &ImportStarAsSpecifier,
    _parent: &(dyn Node + 'static)
)

pub fn visit_invalid(&mut self, n: &Invalid, _parent: &(dyn Node + 'static))

pub fn visit_js_word(
    &mut self,
    n: &Atom<JsWordStaticSet>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr(&mut self, n: &JSXAttr, _parent: &(dyn Node + 'static))

pub fn visit_jsx_attr_name(
    &mut self,
    n: &JSXAttrName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr_or_spread(
    &mut self,
    n: &JSXAttrOrSpread,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr_or_spreads(
    &mut self,
    n: &[JSXAttrOrSpread],
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_attr_value(
    &mut self,
    n: &JSXAttrValue,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_closing_element(
    &mut self,
    n: &JSXClosingElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_closing_fragment(
    &mut self,
    n: &JSXClosingFragment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element(
    &mut self,
    n: &JSXElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element_child(
    &mut self,
    n: &JSXElementChild,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element_children(
    &mut self,
    n: &[JSXElementChild],
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_element_name(
    &mut self,
    n: &JSXElementName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_empty_expr(
    &mut self,
    n: &JSXEmptyExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_expr(&mut self, n: &JSXExpr, _parent: &(dyn Node + 'static))

pub fn visit_jsx_expr_container(
    &mut self,
    n: &JSXExprContainer,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_fragment(
    &mut self,
    n: &JSXFragment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_member_expr(
    &mut self,
    n: &JSXMemberExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_namespaced_name(
    &mut self,
    n: &JSXNamespacedName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_object(
    &mut self,
    n: &JSXObject,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_opening_element(
    &mut self,
    n: &JSXOpeningElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_opening_fragment(
    &mut self,
    n: &JSXOpeningFragment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_spread_child(
    &mut self,
    n: &JSXSpreadChild,
    _parent: &(dyn Node + 'static)
)

pub fn visit_jsx_text(&mut self, n: &JSXText, _parent: &(dyn Node + 'static))

pub fn visit_key_value_pat_prop(
    &mut self,
    n: &KeyValuePatProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_key_value_prop(
    &mut self,
    n: &KeyValueProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_labeled_stmt(
    &mut self,
    n: &LabeledStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_lit(&mut self, n: &Lit, _parent: &(dyn Node + 'static))

pub fn visit_member_expr(
    &mut self,
    n: &MemberExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_meta_prop_expr(
    &mut self,
    n: &MetaPropExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_method_kind(
    &mut self,
    n: &MethodKind,
    _parent: &(dyn Node + 'static)
)

pub fn visit_method_prop(
    &mut self,
    n: &MethodProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_module(&mut self, n: &Module, _parent: &(dyn Node + 'static))

pub fn visit_module_decl(
    &mut self,
    n: &ModuleDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_module_item(
    &mut self,
    n: &ModuleItem,
    _parent: &(dyn Node + 'static)
)

pub fn visit_module_items(
    &mut self,
    n: &[ModuleItem],
    _parent: &(dyn Node + 'static)
)

pub fn visit_named_export(
    &mut self,
    n: &NamedExport,
    _parent: &(dyn Node + 'static)
)

pub fn visit_new_expr(&mut self, n: &NewExpr, _parent: &(dyn Node + 'static))

pub fn visit_null(&mut self, n: &Null, _parent: &(dyn Node + 'static))

pub fn visit_number(&mut self, n: &Number, _parent: &(dyn Node + 'static))

pub fn visit_object_lit(
    &mut self,
    n: &ObjectLit,
    _parent: &(dyn Node + 'static)
)

pub fn visit_object_pat(
    &mut self,
    n: &ObjectPat,
    _parent: &(dyn Node + 'static)
)

pub fn visit_object_pat_prop(
    &mut self,
    n: &ObjectPatProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_object_pat_props(
    &mut self,
    n: &[ObjectPatProp],
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_accessibility(
    &mut self,
    n: Option<&Accessibility>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_block_stmt(
    &mut self,
    n: Option<&BlockStmt>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_catch_clause(
    &mut self,
    n: Option<&CatchClause>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_chain_expr(
    &mut self,
    n: &OptChainExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_expr(
    &mut self,
    n: Option<&Box<Expr, Global>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_expr_or_spread(
    &mut self,
    n: Option<&ExprOrSpread>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_expr_or_spreads(
    &mut self,
    n: Option<&[ExprOrSpread]>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ident(
    &mut self,
    n: Option<&Ident>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_js_word(
    &mut self,
    n: Option<&Atom<JsWordStaticSet>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_jsx_attr_value(
    &mut self,
    n: Option<&JSXAttrValue>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_jsx_closing_element(
    &mut self,
    n: Option<&JSXClosingElement>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_object_lit(
    &mut self,
    n: Option<&ObjectLit>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_pat(&mut self, n: Option<&Pat>, _parent: &(dyn Node + 'static))

pub fn visit_opt_span(
    &mut self,
    n: Option<&Span>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_stmt(
    &mut self,
    n: Option<&Box<Stmt, Global>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_str(&mut self, n: Option<&Str>, _parent: &(dyn Node + 'static))

pub fn visit_opt_true_plus_minus(
    &mut self,
    n: Option<&TruePlusMinus>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_entity_name(
    &mut self,
    n: Option<&TsEntityName>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_namespace_body(
    &mut self,
    n: Option<&TsNamespaceBody>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type(
    &mut self,
    n: Option<&Box<TsType, Global>>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type_ann(
    &mut self,
    n: Option<&TsTypeAnn>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type_param_decl(
    &mut self,
    n: Option<&TsTypeParamDecl>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_ts_type_param_instantiation(
    &mut self,
    n: Option<&TsTypeParamInstantiation>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_var_decl_or_expr(
    &mut self,
    n: Option<&VarDeclOrExpr>,
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_vec_expr_or_spreads(
    &mut self,
    n: &[Option<ExprOrSpread>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_opt_vec_pats(
    &mut self,
    n: &[Option<Pat>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_param(&mut self, n: &Param, _parent: &(dyn Node + 'static))

pub fn visit_param_or_ts_param_prop(
    &mut self,
    n: &ParamOrTsParamProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_param_or_ts_param_props(
    &mut self,
    n: &[ParamOrTsParamProp],
    _parent: &(dyn Node + 'static)
)

pub fn visit_params(&mut self, n: &[Param], _parent: &(dyn Node + 'static))

pub fn visit_paren_expr(
    &mut self,
    n: &ParenExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_pat(&mut self, n: &Pat, _parent: &(dyn Node + 'static))

pub fn visit_pat_or_expr(
    &mut self,
    n: &PatOrExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_pats(&mut self, n: &[Pat], _parent: &(dyn Node + 'static))

pub fn visit_private_method(
    &mut self,
    n: &PrivateMethod,
    _parent: &(dyn Node + 'static)
)

pub fn visit_private_name(
    &mut self,
    n: &PrivateName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_private_prop(
    &mut self,
    n: &PrivateProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_program(&mut self, n: &Program, _parent: &(dyn Node + 'static))

pub fn visit_prop(&mut self, n: &Prop, _parent: &(dyn Node + 'static))

pub fn visit_prop_name(&mut self, n: &PropName, _parent: &(dyn Node + 'static))

pub fn visit_prop_or_spread(
    &mut self,
    n: &PropOrSpread,
    _parent: &(dyn Node + 'static)
)

pub fn visit_prop_or_spreads(
    &mut self,
    n: &[PropOrSpread],
    _parent: &(dyn Node + 'static)
)

pub fn visit_regex(&mut self, n: &Regex, _parent: &(dyn Node + 'static))

pub fn visit_rest_pat(&mut self, n: &RestPat, _parent: &(dyn Node + 'static))

pub fn visit_return_stmt(
    &mut self,
    n: &ReturnStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_script(&mut self, n: &Script, _parent: &(dyn Node + 'static))

pub fn visit_seq_expr(&mut self, n: &SeqExpr, _parent: &(dyn Node + 'static))

pub fn visit_setter_prop(
    &mut self,
    n: &SetterProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_span(&mut self, n: &Span, _parent: &(dyn Node + 'static))

pub fn visit_spread_element(
    &mut self,
    n: &SpreadElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_stmt(&mut self, n: &Stmt, _parent: &(dyn Node + 'static))

pub fn visit_stmts(&mut self, n: &[Stmt], _parent: &(dyn Node + 'static))

pub fn visit_str(&mut self, n: &Str, _parent: &(dyn Node + 'static))

pub fn visit_str_kind(&mut self, n: &StrKind, _parent: &(dyn Node + 'static))

pub fn visit_super(&mut self, n: &Super, _parent: &(dyn Node + 'static))

pub fn visit_switch_case(
    &mut self,
    n: &SwitchCase,
    _parent: &(dyn Node + 'static)
)

pub fn visit_switch_cases(
    &mut self,
    n: &[SwitchCase],
    _parent: &(dyn Node + 'static)
)

pub fn visit_switch_stmt(
    &mut self,
    n: &SwitchStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_tagged_tpl(
    &mut self,
    n: &TaggedTpl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_this_expr(&mut self, n: &ThisExpr, _parent: &(dyn Node + 'static))

pub fn visit_throw_stmt(
    &mut self,
    n: &ThrowStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_tpl(&mut self, n: &Tpl, _parent: &(dyn Node + 'static))

pub fn visit_tpl_element(
    &mut self,
    n: &TplElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_tpl_elements(
    &mut self,
    n: &[TplElement],
    _parent: &(dyn Node + 'static)
)

pub fn visit_true_plus_minus(
    &mut self,
    n: &TruePlusMinus,
    _parent: &(dyn Node + 'static)
)

pub fn visit_try_stmt(&mut self, n: &TryStmt, _parent: &(dyn Node + 'static))

pub fn visit_ts_array_type(
    &mut self,
    n: &TsArrayType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_as_expr(&mut self, n: &TsAsExpr, _parent: &(dyn Node + 'static))

pub fn visit_ts_call_signature_decl(
    &mut self,
    n: &TsCallSignatureDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_conditional_type(
    &mut self,
    n: &TsConditionalType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_const_assertion(
    &mut self,
    n: &TsConstAssertion,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_construct_signature_decl(
    &mut self,
    n: &TsConstructSignatureDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_constructor_type(
    &mut self,
    n: &TsConstructorType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_entity_name(
    &mut self,
    n: &TsEntityName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_decl(
    &mut self,
    n: &TsEnumDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_member(
    &mut self,
    n: &TsEnumMember,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_member_id(
    &mut self,
    n: &TsEnumMemberId,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_enum_members(
    &mut self,
    n: &[TsEnumMember],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_export_assignment(
    &mut self,
    n: &TsExportAssignment,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_expr_with_type_args(
    &mut self,
    n: &TsExprWithTypeArgs,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_expr_with_type_args_vec(
    &mut self,
    n: &[TsExprWithTypeArgs],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_external_module_ref(
    &mut self,
    n: &TsExternalModuleRef,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_or_constructor_type(
    &mut self,
    n: &TsFnOrConstructorType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_param(
    &mut self,
    n: &TsFnParam,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_params(
    &mut self,
    n: &[TsFnParam],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_fn_type(&mut self, n: &TsFnType, _parent: &(dyn Node + 'static))

pub fn visit_ts_getter_signature(
    &mut self,
    n: &TsGetterSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_import_equals_decl(
    &mut self,
    n: &TsImportEqualsDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_import_type(
    &mut self,
    n: &TsImportType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_index_signature(
    &mut self,
    n: &TsIndexSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_indexed_access_type(
    &mut self,
    n: &TsIndexedAccessType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_infer_type(
    &mut self,
    n: &TsInferType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_interface_body(
    &mut self,
    n: &TsInterfaceBody,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_interface_decl(
    &mut self,
    n: &TsInterfaceDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_intersection_type(
    &mut self,
    n: &TsIntersectionType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_keyword_type(
    &mut self,
    n: &TsKeywordType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_keyword_type_kind(
    &mut self,
    n: &TsKeywordTypeKind,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_lit(&mut self, n: &TsLit, _parent: &(dyn Node + 'static))

pub fn visit_ts_lit_type(
    &mut self,
    n: &TsLitType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_mapped_type(
    &mut self,
    n: &TsMappedType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_method_signature(
    &mut self,
    n: &TsMethodSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_block(
    &mut self,
    n: &TsModuleBlock,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_decl(
    &mut self,
    n: &TsModuleDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_name(
    &mut self,
    n: &TsModuleName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_module_ref(
    &mut self,
    n: &TsModuleRef,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_namespace_body(
    &mut self,
    n: &TsNamespaceBody,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_namespace_decl(
    &mut self,
    n: &TsNamespaceDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_namespace_export_decl(
    &mut self,
    n: &TsNamespaceExportDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_non_null_expr(
    &mut self,
    n: &TsNonNullExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_optional_type(
    &mut self,
    n: &TsOptionalType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_param_prop(
    &mut self,
    n: &TsParamProp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_param_prop_param(
    &mut self,
    n: &TsParamPropParam,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_parenthesized_type(
    &mut self,
    n: &TsParenthesizedType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_property_signature(
    &mut self,
    n: &TsPropertySignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_qualified_name(
    &mut self,
    n: &TsQualifiedName,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_rest_type(
    &mut self,
    n: &TsRestType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_setter_signature(
    &mut self,
    n: &TsSetterSignature,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_this_type(
    &mut self,
    n: &TsThisType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_this_type_or_ident(
    &mut self,
    n: &TsThisTypeOrIdent,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tpl_lit_type(
    &mut self,
    n: &TsTplLitType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tuple_element(
    &mut self,
    n: &TsTupleElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tuple_elements(
    &mut self,
    n: &[TsTupleElement],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_tuple_type(
    &mut self,
    n: &TsTupleType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type(&mut self, n: &TsType, _parent: &(dyn Node + 'static))

pub fn visit_ts_type_alias_decl(
    &mut self,
    n: &TsTypeAliasDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_ann(
    &mut self,
    n: &TsTypeAnn,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_assertion(
    &mut self,
    n: &TsTypeAssertion,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_element(
    &mut self,
    n: &TsTypeElement,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_elements(
    &mut self,
    n: &[TsTypeElement],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_lit(
    &mut self,
    n: &TsTypeLit,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_operator(
    &mut self,
    n: &TsTypeOperator,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_operator_op(
    &mut self,
    n: &TsTypeOperatorOp,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_param(
    &mut self,
    n: &TsTypeParam,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_param_decl(
    &mut self,
    n: &TsTypeParamDecl,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_param_instantiation(
    &mut self,
    n: &TsTypeParamInstantiation,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_params(
    &mut self,
    n: &[TsTypeParam],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_predicate(
    &mut self,
    n: &TsTypePredicate,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_query(
    &mut self,
    n: &TsTypeQuery,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_query_expr(
    &mut self,
    n: &TsTypeQueryExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_type_ref(
    &mut self,
    n: &TsTypeRef,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_types(
    &mut self,
    n: &[Box<TsType, Global>],
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_union_or_intersection_type(
    &mut self,
    n: &TsUnionOrIntersectionType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_ts_union_type(
    &mut self,
    n: &TsUnionType,
    _parent: &(dyn Node + 'static)
)

pub fn visit_unary_expr(
    &mut self,
    n: &UnaryExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_unary_op(&mut self, n: &UnaryOp, _parent: &(dyn Node + 'static))

pub fn visit_update_expr(
    &mut self,
    n: &UpdateExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_update_op(&mut self, n: &UpdateOp, _parent: &(dyn Node + 'static))

pub fn visit_var_decl(&mut self, n: &VarDecl, _parent: &(dyn Node + 'static))

pub fn visit_var_decl_kind(
    &mut self,
    n: &VarDeclKind,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_decl_or_expr(
    &mut self,
    n: &VarDeclOrExpr,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_decl_or_pat(
    &mut self,
    n: &VarDeclOrPat,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_declarator(
    &mut self,
    n: &VarDeclarator,
    _parent: &(dyn Node + 'static)
)

pub fn visit_var_declarators(
    &mut self,
    n: &[VarDeclarator],
    _parent: &(dyn Node + 'static)
)

pub fn visit_while_stmt(
    &mut self,
    n: &WhileStmt,
    _parent: &(dyn Node + 'static)
)

pub fn visit_with_stmt(&mut self, n: &WithStmt, _parent: &(dyn Node + 'static))

pub fn visit_yield_expr(
    &mut self,
    n: &YieldExpr,
    _parent: &(dyn Node + 'static)
)

impl<V> VisitMut for Optional<V> where
    V: VisitMut, 

pub fn visit_mut_accessibility(&mut self, n: &mut Accessibility)

pub fn visit_mut_array_lit(&mut self, n: &mut ArrayLit)

pub fn visit_mut_array_pat(&mut self, n: &mut ArrayPat)

pub fn visit_mut_arrow_expr(&mut self, n: &mut ArrowExpr)

pub fn visit_mut_assign_expr(&mut self, n: &mut AssignExpr)

pub fn visit_mut_assign_op(&mut self, n: &mut AssignOp)

pub fn visit_mut_assign_pat(&mut self, n: &mut AssignPat)

pub fn visit_mut_assign_pat_prop(&mut self, n: &mut AssignPatProp)

pub fn visit_mut_assign_prop(&mut self, n: &mut AssignProp)

pub fn visit_mut_await_expr(&mut self, n: &mut AwaitExpr)

pub fn visit_mut_big_int(&mut self, n: &mut BigInt)

pub fn visit_mut_big_int_value(&mut self, n: &mut BigInt)

pub fn visit_mut_bin_expr(&mut self, n: &mut BinExpr)

pub fn visit_mut_binary_op(&mut self, n: &mut BinaryOp)

pub fn visit_mut_binding_ident(&mut self, n: &mut BindingIdent)

pub fn visit_mut_block_stmt(&mut self, n: &mut BlockStmt)

pub fn visit_mut_block_stmt_or_expr(&mut self, n: &mut BlockStmtOrExpr)

pub fn visit_mut_bool(&mut self, n: &mut Bool)

pub fn visit_mut_break_stmt(&mut self, n: &mut BreakStmt)

pub fn visit_mut_call_expr(&mut self, n: &mut CallExpr)

pub fn visit_mut_catch_clause(&mut self, n: &mut CatchClause)

pub fn visit_mut_class(&mut self, n: &mut Class)

pub fn visit_mut_class_decl(&mut self, n: &mut ClassDecl)

pub fn visit_mut_class_expr(&mut self, n: &mut ClassExpr)

pub fn visit_mut_class_member(&mut self, n: &mut ClassMember)

pub fn visit_mut_class_members(&mut self, n: &mut Vec<ClassMember, Global>)

pub fn visit_mut_class_method(&mut self, n: &mut ClassMethod)

pub fn visit_mut_class_prop(&mut self, n: &mut ClassProp)

pub fn visit_mut_computed_prop_name(&mut self, n: &mut ComputedPropName)

pub fn visit_mut_cond_expr(&mut self, n: &mut CondExpr)

pub fn visit_mut_constructor(&mut self, n: &mut Constructor)

pub fn visit_mut_continue_stmt(&mut self, n: &mut ContinueStmt)

pub fn visit_mut_debugger_stmt(&mut self, n: &mut DebuggerStmt)

pub fn visit_mut_decl(&mut self, n: &mut Decl)

pub fn visit_mut_decorator(&mut self, n: &mut Decorator)

pub fn visit_mut_decorators(&mut self, n: &mut Vec<Decorator, Global>)

pub fn visit_mut_default_decl(&mut self, n: &mut DefaultDecl)

pub fn visit_mut_do_while_stmt(&mut self, n: &mut DoWhileStmt)

pub fn visit_mut_empty_stmt(&mut self, n: &mut EmptyStmt)

pub fn visit_mut_export_all(&mut self, n: &mut ExportAll)

pub fn visit_mut_export_decl(&mut self, n: &mut ExportDecl)

pub fn visit_mut_export_default_decl(&mut self, n: &mut ExportDefaultDecl)

pub fn visit_mut_export_default_expr(&mut self, n: &mut ExportDefaultExpr)

pub fn visit_mut_export_default_specifier(
    &mut self,
    n: &mut ExportDefaultSpecifier
)

pub fn visit_mut_export_named_specifier(&mut self, n: &mut ExportNamedSpecifier)

pub fn visit_mut_export_namespace_specifier(
    &mut self,
    n: &mut ExportNamespaceSpecifier
)

pub fn visit_mut_export_specifier(&mut self, n: &mut ExportSpecifier)

pub fn visit_mut_export_specifiers(
    &mut self,
    n: &mut Vec<ExportSpecifier, Global>
)

pub fn visit_mut_expr(&mut self, n: &mut Expr)

pub fn visit_mut_expr_or_spread(&mut self, n: &mut ExprOrSpread)

pub fn visit_mut_expr_or_spreads(&mut self, n: &mut Vec<ExprOrSpread, Global>)

pub fn visit_mut_expr_or_super(&mut self, n: &mut ExprOrSuper)

pub fn visit_mut_expr_stmt(&mut self, n: &mut ExprStmt)

pub fn visit_mut_exprs(&mut self, n: &mut Vec<Box<Expr, Global>, Global>)

pub fn visit_mut_fn_decl(&mut self, n: &mut FnDecl)

pub fn visit_mut_fn_expr(&mut self, n: &mut FnExpr)

pub fn visit_mut_for_in_stmt(&mut self, n: &mut ForInStmt)

pub fn visit_mut_for_of_stmt(&mut self, n: &mut ForOfStmt)

pub fn visit_mut_for_stmt(&mut self, n: &mut ForStmt)

pub fn visit_mut_function(&mut self, n: &mut Function)

pub fn visit_mut_getter_prop(&mut self, n: &mut GetterProp)

pub fn visit_mut_ident(&mut self, n: &mut Ident)

pub fn visit_mut_if_stmt(&mut self, n: &mut IfStmt)

pub fn visit_mut_import_decl(&mut self, n: &mut ImportDecl)

pub fn visit_mut_import_default_specifier(
    &mut self,
    n: &mut ImportDefaultSpecifier
)

pub fn visit_mut_import_named_specifier(&mut self, n: &mut ImportNamedSpecifier)

pub fn visit_mut_import_specifier(&mut self, n: &mut ImportSpecifier)

pub fn visit_mut_import_specifiers(
    &mut self,
    n: &mut Vec<ImportSpecifier, Global>
)

pub fn visit_mut_import_star_as_specifier(
    &mut self,
    n: &mut ImportStarAsSpecifier
)

pub fn visit_mut_invalid(&mut self, n: &mut Invalid)

pub fn visit_mut_js_word(&mut self, n: &mut Atom<JsWordStaticSet>)

pub fn visit_mut_jsx_attr(&mut self, n: &mut JSXAttr)

pub fn visit_mut_jsx_attr_name(&mut self, n: &mut JSXAttrName)

pub fn visit_mut_jsx_attr_or_spread(&mut self, n: &mut JSXAttrOrSpread)

pub fn visit_mut_jsx_attr_or_spreads(
    &mut self,
    n: &mut Vec<JSXAttrOrSpread, Global>
)

pub fn visit_mut_jsx_attr_value(&mut self, n: &mut JSXAttrValue)

pub fn visit_mut_jsx_closing_element(&mut self, n: &mut JSXClosingElement)

pub fn visit_mut_jsx_closing_fragment(&mut self, n: &mut JSXClosingFragment)

pub fn visit_mut_jsx_element(&mut self, n: &mut JSXElement)

pub fn visit_mut_jsx_element_child(&mut self, n: &mut JSXElementChild)

pub fn visit_mut_jsx_element_children(
    &mut self,
    n: &mut Vec<JSXElementChild, Global>
)

pub fn visit_mut_jsx_element_name(&mut self, n: &mut JSXElementName)

pub fn visit_mut_jsx_empty_expr(&mut self, n: &mut JSXEmptyExpr)

pub fn visit_mut_jsx_expr(&mut self, n: &mut JSXExpr)

pub fn visit_mut_jsx_expr_container(&mut self, n: &mut JSXExprContainer)

pub fn visit_mut_jsx_fragment(&mut self, n: &mut JSXFragment)

pub fn visit_mut_jsx_member_expr(&mut self, n: &mut JSXMemberExpr)

pub fn visit_mut_jsx_namespaced_name(&mut self, n: &mut JSXNamespacedName)

pub fn visit_mut_jsx_object(&mut self, n: &mut JSXObject)

pub fn visit_mut_jsx_opening_element(&mut self, n: &mut JSXOpeningElement)

pub fn visit_mut_jsx_opening_fragment(&mut self, n: &mut JSXOpeningFragment)

pub fn visit_mut_jsx_spread_child(&mut self, n: &mut JSXSpreadChild)

pub fn visit_mut_jsx_text(&mut self, n: &mut JSXText)

pub fn visit_mut_key_value_pat_prop(&mut self, n: &mut KeyValuePatProp)

pub fn visit_mut_key_value_prop(&mut self, n: &mut KeyValueProp)

pub fn visit_mut_labeled_stmt(&mut self, n: &mut LabeledStmt)

pub fn visit_mut_lit(&mut self, n: &mut Lit)

pub fn visit_mut_member_expr(&mut self, n: &mut MemberExpr)

pub fn visit_mut_meta_prop_expr(&mut self, n: &mut MetaPropExpr)

pub fn visit_mut_method_kind(&mut self, n: &mut MethodKind)

pub fn visit_mut_method_prop(&mut self, n: &mut MethodProp)

pub fn visit_mut_module(&mut self, n: &mut Module)

pub fn visit_mut_module_decl(&mut self, n: &mut ModuleDecl)

pub fn visit_mut_module_item(&mut self, n: &mut ModuleItem)

pub fn visit_mut_module_items(&mut self, n: &mut Vec<ModuleItem, Global>)

pub fn visit_mut_named_export(&mut self, n: &mut NamedExport)

pub fn visit_mut_new_expr(&mut self, n: &mut NewExpr)

pub fn visit_mut_null(&mut self, n: &mut Null)

pub fn visit_mut_number(&mut self, n: &mut Number)

pub fn visit_mut_object_lit(&mut self, n: &mut ObjectLit)

pub fn visit_mut_object_pat(&mut self, n: &mut ObjectPat)

pub fn visit_mut_object_pat_prop(&mut self, n: &mut ObjectPatProp)

pub fn visit_mut_object_pat_props(&mut self, n: &mut Vec<ObjectPatProp, Global>)

pub fn visit_mut_opt_accessibility(&mut self, n: &mut Option<Accessibility>)

pub fn visit_mut_opt_block_stmt(&mut self, n: &mut Option<BlockStmt>)

pub fn visit_mut_opt_catch_clause(&mut self, n: &mut Option<CatchClause>)

pub fn visit_mut_opt_chain_expr(&mut self, n: &mut OptChainExpr)

pub fn visit_mut_opt_expr(&mut self, n: &mut Option<Box<Expr, Global>>)

pub fn visit_mut_opt_expr_or_spread(&mut self, n: &mut Option<ExprOrSpread>)

pub fn visit_mut_opt_expr_or_spreads(
    &mut self,
    n: &mut Option<Vec<ExprOrSpread, Global>>
)

pub fn visit_mut_opt_ident(&mut self, n: &mut Option<Ident>)

pub fn visit_mut_opt_js_word(&mut self, n: &mut Option<Atom<JsWordStaticSet>>)

pub fn visit_mut_opt_jsx_attr_value(&mut self, n: &mut Option<JSXAttrValue>)

pub fn visit_mut_opt_jsx_closing_element(
    &mut self,
    n: &mut Option<JSXClosingElement>
)

pub fn visit_mut_opt_object_lit(&mut self, n: &mut Option<ObjectLit>)

pub fn visit_mut_opt_pat(&mut self, n: &mut Option<Pat>)

pub fn visit_mut_opt_span(&mut self, n: &mut Option<Span>)

pub fn visit_mut_opt_stmt(&mut self, n: &mut Option<Box<Stmt, Global>>)

pub fn visit_mut_opt_str(&mut self, n: &mut Option<Str>)

pub fn visit_mut_opt_true_plus_minus(&mut self, n: &mut Option<TruePlusMinus>)

pub fn visit_mut_opt_ts_entity_name(&mut self, n: &mut Option<TsEntityName>)

pub fn visit_mut_opt_ts_namespace_body(
    &mut self,
    n: &mut Option<TsNamespaceBody>
)

pub fn visit_mut_opt_ts_type(&mut self, n: &mut Option<Box<TsType, Global>>)

pub fn visit_mut_opt_ts_type_ann(&mut self, n: &mut Option<TsTypeAnn>)

pub fn visit_mut_opt_ts_type_param_decl(
    &mut self,
    n: &mut Option<TsTypeParamDecl>
)

pub fn visit_mut_opt_ts_type_param_instantiation(
    &mut self,
    n: &mut Option<TsTypeParamInstantiation>
)

pub fn visit_mut_opt_var_decl_or_expr(&mut self, n: &mut Option<VarDeclOrExpr>)

pub fn visit_mut_opt_vec_expr_or_spreads(
    &mut self,
    n: &mut Vec<Option<ExprOrSpread>, Global>
)

pub fn visit_mut_opt_vec_pats(&mut self, n: &mut Vec<Option<Pat>, Global>)

pub fn visit_mut_param(&mut self, n: &mut Param)

pub fn visit_mut_param_or_ts_param_prop(&mut self, n: &mut ParamOrTsParamProp)

pub fn visit_mut_param_or_ts_param_props(
    &mut self,
    n: &mut Vec<ParamOrTsParamProp, Global>
)

pub fn visit_mut_params(&mut self, n: &mut Vec<Param, Global>)

pub fn visit_mut_paren_expr(&mut self, n: &mut ParenExpr)

pub fn visit_mut_pat(&mut self, n: &mut Pat)

pub fn visit_mut_pat_or_expr(&mut self, n: &mut PatOrExpr)

pub fn visit_mut_pats(&mut self, n: &mut Vec<Pat, Global>)

pub fn visit_mut_private_method(&mut self, n: &mut PrivateMethod)

pub fn visit_mut_private_name(&mut self, n: &mut PrivateName)

pub fn visit_mut_private_prop(&mut self, n: &mut PrivateProp)

pub fn visit_mut_program(&mut self, n: &mut Program)

pub fn visit_mut_prop(&mut self, n: &mut Prop)

pub fn visit_mut_prop_name(&mut self, n: &mut PropName)

pub fn visit_mut_prop_or_spread(&mut self, n: &mut PropOrSpread)

pub fn visit_mut_prop_or_spreads(&mut self, n: &mut Vec<PropOrSpread, Global>)

pub fn visit_mut_regex(&mut self, n: &mut Regex)

pub fn visit_mut_rest_pat(&mut self, n: &mut RestPat)

pub fn visit_mut_return_stmt(&mut self, n: &mut ReturnStmt)

pub fn visit_mut_script(&mut self, n: &mut Script)

pub fn visit_mut_seq_expr(&mut self, n: &mut SeqExpr)

pub fn visit_mut_setter_prop(&mut self, n: &mut SetterProp)

pub fn visit_mut_span(&mut self, n: &mut Span)

pub fn visit_mut_spread_element(&mut self, n: &mut SpreadElement)

pub fn visit_mut_stmt(&mut self, n: &mut Stmt)

pub fn visit_mut_stmts(&mut self, n: &mut Vec<Stmt, Global>)

pub fn visit_mut_str(&mut self, n: &mut Str)

pub fn visit_mut_str_kind(&mut self, n: &mut StrKind)

pub fn visit_mut_super(&mut self, n: &mut Super)

pub fn visit_mut_switch_case(&mut self, n: &mut SwitchCase)

pub fn visit_mut_switch_cases(&mut self, n: &mut Vec<SwitchCase, Global>)

pub fn visit_mut_switch_stmt(&mut self, n: &mut SwitchStmt)

pub fn visit_mut_tagged_tpl(&mut self, n: &mut TaggedTpl)

pub fn visit_mut_this_expr(&mut self, n: &mut ThisExpr)

pub fn visit_mut_throw_stmt(&mut self, n: &mut ThrowStmt)

pub fn visit_mut_tpl(&mut self, n: &mut Tpl)

pub fn visit_mut_tpl_element(&mut self, n: &mut TplElement)

pub fn visit_mut_tpl_elements(&mut self, n: &mut Vec<TplElement, Global>)

pub fn visit_mut_true_plus_minus(&mut self, n: &mut TruePlusMinus)

pub fn visit_mut_try_stmt(&mut self, n: &mut TryStmt)

pub fn visit_mut_ts_array_type(&mut self, n: &mut TsArrayType)

pub fn visit_mut_ts_as_expr(&mut self, n: &mut TsAsExpr)

pub fn visit_mut_ts_call_signature_decl(&mut self, n: &mut TsCallSignatureDecl)

pub fn visit_mut_ts_conditional_type(&mut self, n: &mut TsConditionalType)

pub fn visit_mut_ts_const_assertion(&mut self, n: &mut TsConstAssertion)

pub fn visit_mut_ts_construct_signature_decl(
    &mut self,
    n: &mut TsConstructSignatureDecl
)

pub fn visit_mut_ts_constructor_type(&mut self, n: &mut TsConstructorType)

pub fn visit_mut_ts_entity_name(&mut self, n: &mut TsEntityName)

pub fn visit_mut_ts_enum_decl(&mut self, n: &mut TsEnumDecl)

pub fn visit_mut_ts_enum_member(&mut self, n: &mut TsEnumMember)

pub fn visit_mut_ts_enum_member_id(&mut self, n: &mut TsEnumMemberId)

pub fn visit_mut_ts_enum_members(&mut self, n: &mut Vec<TsEnumMember, Global>)

pub fn visit_mut_ts_export_assignment(&mut self, n: &mut TsExportAssignment)

pub fn visit_mut_ts_expr_with_type_args(&mut self, n: &mut TsExprWithTypeArgs)

pub fn visit_mut_ts_expr_with_type_args_vec(
    &mut self,
    n: &mut Vec<TsExprWithTypeArgs, Global>
)

pub fn visit_mut_ts_external_module_ref(&mut self, n: &mut TsExternalModuleRef)

pub fn visit_mut_ts_fn_or_constructor_type(
    &mut self,
    n: &mut TsFnOrConstructorType
)

pub fn visit_mut_ts_fn_param(&mut self, n: &mut TsFnParam)

pub fn visit_mut_ts_fn_params(&mut self, n: &mut Vec<TsFnParam, Global>)

pub fn visit_mut_ts_fn_type(&mut self, n: &mut TsFnType)

pub fn visit_mut_ts_getter_signature(&mut self, n: &mut TsGetterSignature)

pub fn visit_mut_ts_import_equals_decl(&mut self, n: &mut TsImportEqualsDecl)

pub fn visit_mut_ts_import_type(&mut self, n: &mut TsImportType)

pub fn visit_mut_ts_index_signature(&mut self, n: &mut TsIndexSignature)

pub fn visit_mut_ts_indexed_access_type(&mut self, n: &mut TsIndexedAccessType)

pub fn visit_mut_ts_infer_type(&mut self, n: &mut TsInferType)

pub fn visit_mut_ts_interface_body(&mut self, n: &mut TsInterfaceBody)

pub fn visit_mut_ts_interface_decl(&mut self, n: &mut TsInterfaceDecl)

pub fn visit_mut_ts_intersection_type(&mut self, n: &mut TsIntersectionType)

pub fn visit_mut_ts_keyword_type(&mut self, n: &mut TsKeywordType)

pub fn visit_mut_ts_keyword_type_kind(&mut self, n: &mut TsKeywordTypeKind)

pub fn visit_mut_ts_lit(&mut self, n: &mut TsLit)

pub fn visit_mut_ts_lit_type(&mut self, n: &mut TsLitType)

pub fn visit_mut_ts_mapped_type(&mut self, n: &mut TsMappedType)

pub fn visit_mut_ts_method_signature(&mut self, n: &mut TsMethodSignature)

pub fn visit_mut_ts_module_block(&mut self, n: &mut TsModuleBlock)

pub fn visit_mut_ts_module_decl(&mut self, n: &mut TsModuleDecl)

pub fn visit_mut_ts_module_name(&mut self, n: &mut TsModuleName)

pub fn visit_mut_ts_module_ref(&mut self, n: &mut TsModuleRef)

pub fn visit_mut_ts_namespace_body(&mut self, n: &mut TsNamespaceBody)

pub fn visit_mut_ts_namespace_decl(&mut self, n: &mut TsNamespaceDecl)

pub fn visit_mut_ts_namespace_export_decl(
    &mut self,
    n: &mut TsNamespaceExportDecl
)

pub fn visit_mut_ts_non_null_expr(&mut self, n: &mut TsNonNullExpr)

pub fn visit_mut_ts_optional_type(&mut self, n: &mut TsOptionalType)

pub fn visit_mut_ts_param_prop(&mut self, n: &mut TsParamProp)

pub fn visit_mut_ts_param_prop_param(&mut self, n: &mut TsParamPropParam)

pub fn visit_mut_ts_parenthesized_type(&mut self, n: &mut TsParenthesizedType)

pub fn visit_mut_ts_property_signature(&mut self, n: &mut TsPropertySignature)

pub fn visit_mut_ts_qualified_name(&mut self, n: &mut TsQualifiedName)

pub fn visit_mut_ts_rest_type(&mut self, n: &mut TsRestType)

pub fn visit_mut_ts_setter_signature(&mut self, n: &mut TsSetterSignature)

pub fn visit_mut_ts_this_type(&mut self, n: &mut TsThisType)

pub fn visit_mut_ts_this_type_or_ident(&mut self, n: &mut TsThisTypeOrIdent)

pub fn visit_mut_ts_tpl_lit_type(&mut self, n: &mut TsTplLitType)

pub fn visit_mut_ts_tuple_element(&mut self, n: &mut TsTupleElement)

pub fn visit_mut_ts_tuple_elements(
    &mut self,
    n: &mut Vec<TsTupleElement, Global>
)

pub fn visit_mut_ts_tuple_type(&mut self, n: &mut TsTupleType)

pub fn visit_mut_ts_type(&mut self, n: &mut TsType)

pub fn visit_mut_ts_type_alias_decl(&mut self, n: &mut TsTypeAliasDecl)

pub fn visit_mut_ts_type_ann(&mut self, n: &mut TsTypeAnn)

pub fn visit_mut_ts_type_assertion(&mut self, n: &mut TsTypeAssertion)

pub fn visit_mut_ts_type_element(&mut self, n: &mut TsTypeElement)

pub fn visit_mut_ts_type_elements(&mut self, n: &mut Vec<TsTypeElement, Global>)

pub fn visit_mut_ts_type_lit(&mut self, n: &mut TsTypeLit)

pub fn visit_mut_ts_type_operator(&mut self, n: &mut TsTypeOperator)

pub fn visit_mut_ts_type_operator_op(&mut self, n: &mut TsTypeOperatorOp)

pub fn visit_mut_ts_type_param(&mut self, n: &mut TsTypeParam)

pub fn visit_mut_ts_type_param_decl(&mut self, n: &mut TsTypeParamDecl)

pub fn visit_mut_ts_type_param_instantiation(
    &mut self,
    n: &mut TsTypeParamInstantiation
)

pub fn visit_mut_ts_type_params(&mut self, n: &mut Vec<TsTypeParam, Global>)

pub fn visit_mut_ts_type_predicate(&mut self, n: &mut TsTypePredicate)

pub fn visit_mut_ts_type_query(&mut self, n: &mut TsTypeQuery)

pub fn visit_mut_ts_type_query_expr(&mut self, n: &mut TsTypeQueryExpr)

pub fn visit_mut_ts_type_ref(&mut self, n: &mut TsTypeRef)

pub fn visit_mut_ts_types(&mut self, n: &mut Vec<Box<TsType, Global>, Global>)

pub fn visit_mut_ts_union_or_intersection_type(
    &mut self,
    n: &mut TsUnionOrIntersectionType
)

pub fn visit_mut_ts_union_type(&mut self, n: &mut TsUnionType)

pub fn visit_mut_unary_expr(&mut self, n: &mut UnaryExpr)

pub fn visit_mut_unary_op(&mut self, n: &mut UnaryOp)

pub fn visit_mut_update_expr(&mut self, n: &mut UpdateExpr)

pub fn visit_mut_update_op(&mut self, n: &mut UpdateOp)

pub fn visit_mut_var_decl(&mut self, n: &mut VarDecl)

pub fn visit_mut_var_decl_kind(&mut self, n: &mut VarDeclKind)

pub fn visit_mut_var_decl_or_expr(&mut self, n: &mut VarDeclOrExpr)

pub fn visit_mut_var_decl_or_pat(&mut self, n: &mut VarDeclOrPat)

pub fn visit_mut_var_declarator(&mut self, n: &mut VarDeclarator)

pub fn visit_mut_var_declarators(&mut self, n: &mut Vec<VarDeclarator, Global>)

pub fn visit_mut_while_stmt(&mut self, n: &mut WhileStmt)

pub fn visit_mut_with_stmt(&mut self, n: &mut WithStmt)

pub fn visit_mut_yield_expr(&mut self, n: &mut YieldExpr)

impl<V> Copy for Optional<V> where
    V: Copy, 

impl<V> Eq for Optional<V> where
    V: Eq, 

impl<V> StructuralEq for Optional<V>

impl<V> StructuralPartialEq for Optional<V>