Struct Node 

pub struct Node(/* private fields */);

Node

Implementations

impl Node

pub fn none() -> Self

returns None variant

impl Node

pub fn as_alias(&self) -> AliasOpt

cast as Alias

pub fn is_alias(&self) -> bool

test variant kind

impl Node

pub fn as_range_var(&self) -> RangeVarOpt

cast as RangeVar

pub fn is_range_var(&self) -> bool

test variant kind

impl Node

pub fn as_table_func(&self) -> TableFuncOpt

cast as TableFunc

pub fn is_table_func(&self) -> bool

test variant kind

impl Node

pub fn as_into_clause(&self) -> IntoClauseOpt

cast as IntoClause

pub fn is_into_clause(&self) -> bool

test variant kind

impl Node

pub fn as_var(&self) -> VarOpt

cast as Var

pub fn is_var(&self) -> bool

test variant kind

impl Node

pub fn as_param(&self) -> ParamOpt

cast as Param

pub fn is_param(&self) -> bool

test variant kind

impl Node

pub fn as_aggref(&self) -> AggrefOpt

cast as Aggref

pub fn is_aggref(&self) -> bool

test variant kind

impl Node

pub fn as_grouping_func(&self) -> GroupingFuncOpt

cast as GroupingFunc

pub fn is_grouping_func(&self) -> bool

test variant kind

impl Node

pub fn as_window_func(&self) -> WindowFuncOpt

cast as WindowFunc

pub fn is_window_func(&self) -> bool

test variant kind

impl Node

pub fn as_window_func_run_condition(&self) -> WindowFuncRunConditionOpt

cast as WindowFuncRunCondition

pub fn is_window_func_run_condition(&self) -> bool

test variant kind

impl Node

pub fn as_merge_support_func(&self) -> MergeSupportFuncOpt

cast as MergeSupportFunc

pub fn is_merge_support_func(&self) -> bool

test variant kind

impl Node

pub fn as_subscripting_ref(&self) -> SubscriptingRefOpt

cast as SubscriptingRef

pub fn is_subscripting_ref(&self) -> bool

test variant kind

impl Node

pub fn as_func_expr(&self) -> FuncExprOpt

cast as FuncExpr

pub fn is_func_expr(&self) -> bool

test variant kind

impl Node

pub fn as_named_arg_expr(&self) -> NamedArgExprOpt

cast as NamedArgExpr

pub fn is_named_arg_expr(&self) -> bool

test variant kind

impl Node

pub fn as_op_expr(&self) -> OpExprOpt

cast as OpExpr

pub fn is_op_expr(&self) -> bool

test variant kind

impl Node

pub fn as_distinct_expr(&self) -> DistinctExprOpt

cast as DistinctExpr

pub fn is_distinct_expr(&self) -> bool

test variant kind

impl Node

pub fn as_null_if_expr(&self) -> NullIfExprOpt

cast as NullIfExpr

pub fn is_null_if_expr(&self) -> bool

test variant kind

impl Node

pub fn as_scalar_array_op_expr(&self) -> ScalarArrayOpExprOpt

cast as ScalarArrayOpExpr

pub fn is_scalar_array_op_expr(&self) -> bool

test variant kind

impl Node

pub fn as_bool_expr(&self) -> BoolExprOpt

cast as BoolExpr

pub fn is_bool_expr(&self) -> bool

test variant kind

impl Node

pub fn as_sub_link(&self) -> SubLinkOpt

cast as SubLink

pub fn is_sub_link(&self) -> bool

test variant kind

impl Node

pub fn as_sub_plan(&self) -> SubPlanOpt

cast as SubPlan

pub fn is_sub_plan(&self) -> bool

test variant kind

impl Node

pub fn as_alternative_sub_plan(&self) -> AlternativeSubPlanOpt

cast as AlternativeSubPlan

pub fn is_alternative_sub_plan(&self) -> bool

test variant kind

impl Node

pub fn as_field_select(&self) -> FieldSelectOpt

cast as FieldSelect

pub fn is_field_select(&self) -> bool

test variant kind

impl Node

pub fn as_field_store(&self) -> FieldStoreOpt

cast as FieldStore

pub fn is_field_store(&self) -> bool

test variant kind

impl Node

pub fn as_relabel_type(&self) -> RelabelTypeOpt

cast as RelabelType

pub fn is_relabel_type(&self) -> bool

test variant kind

impl Node

pub fn as_coerce_via_io(&self) -> CoerceViaIoOpt

cast as CoerceViaIo

pub fn is_coerce_via_io(&self) -> bool

test variant kind

impl Node

pub fn as_array_coerce_expr(&self) -> ArrayCoerceExprOpt

cast as ArrayCoerceExpr

pub fn is_array_coerce_expr(&self) -> bool

test variant kind

impl Node

pub fn as_convert_rowtype_expr(&self) -> ConvertRowtypeExprOpt

cast as ConvertRowtypeExpr

pub fn is_convert_rowtype_expr(&self) -> bool

test variant kind

impl Node

pub fn as_collate_expr(&self) -> CollateExprOpt

cast as CollateExpr

pub fn is_collate_expr(&self) -> bool

test variant kind

impl Node

pub fn as_case_expr(&self) -> CaseExprOpt

cast as CaseExpr

pub fn is_case_expr(&self) -> bool

test variant kind

impl Node

pub fn as_case_when(&self) -> CaseWhenOpt

cast as CaseWhen

pub fn is_case_when(&self) -> bool

test variant kind

impl Node

pub fn as_case_test_expr(&self) -> CaseTestExprOpt

cast as CaseTestExpr

pub fn is_case_test_expr(&self) -> bool

test variant kind

impl Node

pub fn as_array_expr(&self) -> ArrayExprOpt

cast as ArrayExpr

pub fn is_array_expr(&self) -> bool

test variant kind

impl Node

pub fn as_row_expr(&self) -> RowExprOpt

cast as RowExpr

pub fn is_row_expr(&self) -> bool

test variant kind

impl Node

pub fn as_row_compare_expr(&self) -> RowCompareExprOpt

cast as RowCompareExpr

pub fn is_row_compare_expr(&self) -> bool

test variant kind

impl Node

pub fn as_coalesce_expr(&self) -> CoalesceExprOpt

cast as CoalesceExpr

pub fn is_coalesce_expr(&self) -> bool

test variant kind

impl Node

pub fn as_min_max_expr(&self) -> MinMaxExprOpt

cast as MinMaxExpr

pub fn is_min_max_expr(&self) -> bool

test variant kind

impl Node

pub fn as_sqlvalue_function(&self) -> SqlValueFunctionOpt

cast as SqlvalueFunction

pub fn is_sqlvalue_function(&self) -> bool

test variant kind

impl Node

pub fn as_xml_expr(&self) -> XmlExprOpt

cast as XmlExpr

pub fn is_xml_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_format(&self) -> JsonFormatOpt

cast as JsonFormat

pub fn is_json_format(&self) -> bool

test variant kind

impl Node

pub fn as_json_returning(&self) -> JsonReturningOpt

cast as JsonReturning

pub fn is_json_returning(&self) -> bool

test variant kind

impl Node

pub fn as_json_value_expr(&self) -> JsonValueExprOpt

cast as JsonValueExpr

pub fn is_json_value_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_constructor_expr(&self) -> JsonConstructorExprOpt

cast as JsonConstructorExpr

pub fn is_json_constructor_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_is_predicate(&self) -> JsonIsPredicateOpt

cast as JsonIsPredicate

pub fn is_json_is_predicate(&self) -> bool

test variant kind

impl Node

pub fn as_json_behavior(&self) -> JsonBehaviorOpt

cast as JsonBehavior

pub fn is_json_behavior(&self) -> bool

test variant kind

impl Node

pub fn as_json_expr(&self) -> JsonExprOpt

cast as JsonExpr

pub fn is_json_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_table_path(&self) -> JsonTablePathOpt

cast as JsonTablePath

pub fn is_json_table_path(&self) -> bool

test variant kind

impl Node

pub fn as_json_table_path_scan(&self) -> JsonTablePathScanOpt

cast as JsonTablePathScan

pub fn is_json_table_path_scan(&self) -> bool

test variant kind

impl Node

pub fn as_json_table_sibling_join(&self) -> JsonTableSiblingJoinOpt

cast as JsonTableSiblingJoin

pub fn is_json_table_sibling_join(&self) -> bool

test variant kind

impl Node

pub fn as_null_test(&self) -> NullTestOpt

cast as NullTest

pub fn is_null_test(&self) -> bool

test variant kind

impl Node

pub fn as_boolean_test(&self) -> BooleanTestOpt

cast as BooleanTest

pub fn is_boolean_test(&self) -> bool

test variant kind

impl Node

pub fn as_merge_action(&self) -> MergeActionOpt

cast as MergeAction

pub fn is_merge_action(&self) -> bool

test variant kind

impl Node

pub fn as_coerce_to_domain(&self) -> CoerceToDomainOpt

cast as CoerceToDomain

pub fn is_coerce_to_domain(&self) -> bool

test variant kind

impl Node

pub fn as_coerce_to_domain_value(&self) -> CoerceToDomainValueOpt

cast as CoerceToDomainValue

pub fn is_coerce_to_domain_value(&self) -> bool

test variant kind

impl Node

pub fn as_set_to_default(&self) -> SetToDefaultOpt

cast as SetToDefault

pub fn is_set_to_default(&self) -> bool

test variant kind

impl Node

pub fn as_current_of_expr(&self) -> CurrentOfExprOpt

cast as CurrentOfExpr

pub fn is_current_of_expr(&self) -> bool

test variant kind

impl Node

pub fn as_next_value_expr(&self) -> NextValueExprOpt

cast as NextValueExpr

pub fn is_next_value_expr(&self) -> bool

test variant kind

impl Node

pub fn as_inference_elem(&self) -> InferenceElemOpt

cast as InferenceElem

pub fn is_inference_elem(&self) -> bool

test variant kind

impl Node

pub fn as_target_entry(&self) -> TargetEntryOpt

cast as TargetEntry

pub fn is_target_entry(&self) -> bool

test variant kind

impl Node

pub fn as_range_tbl_ref(&self) -> RangeTblRefOpt

cast as RangeTblRef

pub fn is_range_tbl_ref(&self) -> bool

test variant kind

impl Node

pub fn as_join_expr(&self) -> JoinExprOpt

cast as JoinExpr

pub fn is_join_expr(&self) -> bool

test variant kind

impl Node

pub fn as_from_expr(&self) -> FromExprOpt

cast as FromExpr

pub fn is_from_expr(&self) -> bool

test variant kind

impl Node

pub fn as_on_conflict_expr(&self) -> OnConflictExprOpt

cast as OnConflictExpr

pub fn is_on_conflict_expr(&self) -> bool

test variant kind

impl Node

pub fn as_query(&self) -> QueryOpt

cast as Query

pub fn is_query(&self) -> bool

test variant kind

impl Node

pub fn as_type_name(&self) -> TypeNameOpt

cast as TypeName

pub fn is_type_name(&self) -> bool

test variant kind

impl Node

pub fn as_column_ref(&self) -> ColumnRefOpt

cast as ColumnRef

pub fn is_column_ref(&self) -> bool

test variant kind

impl Node

pub fn as_param_ref(&self) -> ParamRefOpt

cast as ParamRef

pub fn is_param_ref(&self) -> bool

test variant kind

impl Node

pub fn as_a_expr(&self) -> AExprOpt

cast as AExpr

pub fn is_a_expr(&self) -> bool

test variant kind

impl Node

pub fn as_type_cast(&self) -> TypeCastOpt

cast as TypeCast

pub fn is_type_cast(&self) -> bool

test variant kind

impl Node

pub fn as_collate_clause(&self) -> CollateClauseOpt

cast as CollateClause

pub fn is_collate_clause(&self) -> bool

test variant kind

impl Node

pub fn as_role_spec(&self) -> RoleSpecOpt

cast as RoleSpec

pub fn is_role_spec(&self) -> bool

test variant kind

impl Node

pub fn as_func_call(&self) -> FuncCallOpt

cast as FuncCall

pub fn is_func_call(&self) -> bool

test variant kind

impl Node

pub fn as_a_star(&self) -> AStarOpt

cast as AStar

pub fn is_a_star(&self) -> bool

test variant kind

impl Node

pub fn as_a_indices(&self) -> AIndicesOpt

cast as AIndices

pub fn is_a_indices(&self) -> bool

test variant kind

impl Node

pub fn as_a_indirection(&self) -> AIndirectionOpt

cast as AIndirection

pub fn is_a_indirection(&self) -> bool

test variant kind

impl Node

pub fn as_a_array_expr(&self) -> AArrayExprOpt

cast as AArrayExpr

pub fn is_a_array_expr(&self) -> bool

test variant kind

impl Node

pub fn as_res_target(&self) -> ResTargetOpt

cast as ResTarget

pub fn is_res_target(&self) -> bool

test variant kind

impl Node

pub fn as_multi_assign_ref(&self) -> MultiAssignRefOpt

cast as MultiAssignRef

pub fn is_multi_assign_ref(&self) -> bool

test variant kind

impl Node

pub fn as_sort_by(&self) -> SortByOpt

cast as SortBy

pub fn is_sort_by(&self) -> bool

test variant kind

impl Node

pub fn as_window_def(&self) -> WindowDefOpt

cast as WindowDef

pub fn is_window_def(&self) -> bool

test variant kind

impl Node

pub fn as_range_subselect(&self) -> RangeSubselectOpt

cast as RangeSubselect

pub fn is_range_subselect(&self) -> bool

test variant kind

impl Node

pub fn as_range_function(&self) -> RangeFunctionOpt

cast as RangeFunction

pub fn is_range_function(&self) -> bool

test variant kind

impl Node

pub fn as_range_table_func(&self) -> RangeTableFuncOpt

cast as RangeTableFunc

pub fn is_range_table_func(&self) -> bool

test variant kind

impl Node

pub fn as_range_table_func_col(&self) -> RangeTableFuncColOpt

cast as RangeTableFuncCol

pub fn is_range_table_func_col(&self) -> bool

test variant kind

impl Node

pub fn as_range_table_sample(&self) -> RangeTableSampleOpt

cast as RangeTableSample

pub fn is_range_table_sample(&self) -> bool

test variant kind

impl Node

pub fn as_column_def(&self) -> ColumnDefOpt

cast as ColumnDef

pub fn is_column_def(&self) -> bool

test variant kind

impl Node

pub fn as_table_like_clause(&self) -> TableLikeClauseOpt

cast as TableLikeClause

pub fn is_table_like_clause(&self) -> bool

test variant kind

impl Node

pub fn as_index_elem(&self) -> IndexElemOpt

cast as IndexElem

pub fn is_index_elem(&self) -> bool

test variant kind

impl Node

pub fn as_def_elem(&self) -> DefElemOpt

cast as DefElem

pub fn is_def_elem(&self) -> bool

test variant kind

impl Node

pub fn as_locking_clause(&self) -> LockingClauseOpt

cast as LockingClause

pub fn is_locking_clause(&self) -> bool

test variant kind

impl Node

pub fn as_xml_serialize(&self) -> XmlSerializeOpt

cast as XmlSerialize

pub fn is_xml_serialize(&self) -> bool

test variant kind

impl Node

pub fn as_partition_elem(&self) -> PartitionElemOpt

cast as PartitionElem

pub fn is_partition_elem(&self) -> bool

test variant kind

impl Node

pub fn as_partition_spec(&self) -> PartitionSpecOpt

cast as PartitionSpec

pub fn is_partition_spec(&self) -> bool

test variant kind

impl Node

pub fn as_partition_bound_spec(&self) -> PartitionBoundSpecOpt

cast as PartitionBoundSpec

pub fn is_partition_bound_spec(&self) -> bool

test variant kind

impl Node

pub fn as_partition_range_datum(&self) -> PartitionRangeDatumOpt

cast as PartitionRangeDatum

pub fn is_partition_range_datum(&self) -> bool

test variant kind

impl Node

pub fn as_single_partition_spec(&self) -> SinglePartitionSpecOpt

cast as SinglePartitionSpec

pub fn is_single_partition_spec(&self) -> bool

test variant kind

impl Node

pub fn as_partition_cmd(&self) -> PartitionCmdOpt

cast as PartitionCmd

pub fn is_partition_cmd(&self) -> bool

test variant kind

impl Node

pub fn as_range_tbl_entry(&self) -> RangeTblEntryOpt

cast as RangeTblEntry

pub fn is_range_tbl_entry(&self) -> bool

test variant kind

impl Node

pub fn as_rtepermission_info(&self) -> RtePermissionInfoOpt

cast as RtepermissionInfo

pub fn is_rtepermission_info(&self) -> bool

test variant kind

impl Node

pub fn as_range_tbl_function(&self) -> RangeTblFunctionOpt

cast as RangeTblFunction

pub fn is_range_tbl_function(&self) -> bool

test variant kind

impl Node

pub fn as_table_sample_clause(&self) -> TableSampleClauseOpt

cast as TableSampleClause

pub fn is_table_sample_clause(&self) -> bool

test variant kind

impl Node

pub fn as_with_check_option(&self) -> WithCheckOptionOpt

cast as WithCheckOption

pub fn is_with_check_option(&self) -> bool

test variant kind

impl Node

pub fn as_sort_group_clause(&self) -> SortGroupClauseOpt

cast as SortGroupClause

pub fn is_sort_group_clause(&self) -> bool

test variant kind

impl Node

pub fn as_grouping_set(&self) -> GroupingSetOpt

cast as GroupingSet

pub fn is_grouping_set(&self) -> bool

test variant kind

impl Node

pub fn as_window_clause(&self) -> WindowClauseOpt

cast as WindowClause

pub fn is_window_clause(&self) -> bool

test variant kind

impl Node

pub fn as_row_mark_clause(&self) -> RowMarkClauseOpt

cast as RowMarkClause

pub fn is_row_mark_clause(&self) -> bool

test variant kind

impl Node

pub fn as_with_clause(&self) -> WithClauseOpt

cast as WithClause

pub fn is_with_clause(&self) -> bool

test variant kind

impl Node

pub fn as_infer_clause(&self) -> InferClauseOpt

cast as InferClause

pub fn is_infer_clause(&self) -> bool

test variant kind

impl Node

pub fn as_on_conflict_clause(&self) -> OnConflictClauseOpt

cast as OnConflictClause

pub fn is_on_conflict_clause(&self) -> bool

test variant kind

impl Node

pub fn as_ctesearch_clause(&self) -> CteSearchClauseOpt

cast as CtesearchClause

pub fn is_ctesearch_clause(&self) -> bool

test variant kind

impl Node

pub fn as_ctecycle_clause(&self) -> CteCycleClauseOpt

cast as CtecycleClause

pub fn is_ctecycle_clause(&self) -> bool

test variant kind

impl Node

pub fn as_common_table_expr(&self) -> CommonTableExprOpt

cast as CommonTableExpr

pub fn is_common_table_expr(&self) -> bool

test variant kind

impl Node

pub fn as_merge_when_clause(&self) -> MergeWhenClauseOpt

cast as MergeWhenClause

pub fn is_merge_when_clause(&self) -> bool

test variant kind

impl Node

pub fn as_trigger_transition(&self) -> TriggerTransitionOpt

cast as TriggerTransition

pub fn is_trigger_transition(&self) -> bool

test variant kind

impl Node

pub fn as_json_output(&self) -> JsonOutputOpt

cast as JsonOutput

pub fn is_json_output(&self) -> bool

test variant kind

impl Node

pub fn as_json_argument(&self) -> JsonArgumentOpt

cast as JsonArgument

pub fn is_json_argument(&self) -> bool

test variant kind

impl Node

pub fn as_json_func_expr(&self) -> JsonFuncExprOpt

cast as JsonFuncExpr

pub fn is_json_func_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_table_path_spec(&self) -> JsonTablePathSpecOpt

cast as JsonTablePathSpec

pub fn is_json_table_path_spec(&self) -> bool

test variant kind

impl Node

pub fn as_json_table(&self) -> JsonTableOpt

cast as JsonTable

pub fn is_json_table(&self) -> bool

test variant kind

impl Node

pub fn as_json_table_column(&self) -> JsonTableColumnOpt

cast as JsonTableColumn

pub fn is_json_table_column(&self) -> bool

test variant kind

impl Node

pub fn as_json_key_value(&self) -> JsonKeyValueOpt

cast as JsonKeyValue

pub fn is_json_key_value(&self) -> bool

test variant kind

impl Node

pub fn as_json_parse_expr(&self) -> JsonParseExprOpt

cast as JsonParseExpr

pub fn is_json_parse_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_scalar_expr(&self) -> JsonScalarExprOpt

cast as JsonScalarExpr

pub fn is_json_scalar_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_serialize_expr(&self) -> JsonSerializeExprOpt

cast as JsonSerializeExpr

pub fn is_json_serialize_expr(&self) -> bool

test variant kind

impl Node

pub fn as_json_object_constructor(&self) -> JsonObjectConstructorOpt

cast as JsonObjectConstructor

pub fn is_json_object_constructor(&self) -> bool

test variant kind

impl Node

pub fn as_json_array_constructor(&self) -> JsonArrayConstructorOpt

cast as JsonArrayConstructor

pub fn is_json_array_constructor(&self) -> bool

test variant kind

impl Node

pub fn as_json_array_query_constructor(&self) -> JsonArrayQueryConstructorOpt

cast as JsonArrayQueryConstructor

pub fn is_json_array_query_constructor(&self) -> bool

test variant kind

impl Node

pub fn as_json_agg_constructor(&self) -> JsonAggConstructorOpt

cast as JsonAggConstructor

pub fn is_json_agg_constructor(&self) -> bool

test variant kind

impl Node

pub fn as_json_object_agg(&self) -> JsonObjectAggOpt

cast as JsonObjectAgg

pub fn is_json_object_agg(&self) -> bool

test variant kind

impl Node

pub fn as_json_array_agg(&self) -> JsonArrayAggOpt

cast as JsonArrayAgg

pub fn is_json_array_agg(&self) -> bool

test variant kind

impl Node

pub fn as_raw_stmt(&self) -> RawStmtOpt

cast as RawStmt

pub fn is_raw_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_insert_stmt(&self) -> InsertStmtOpt

cast as InsertStmt

pub fn is_insert_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_delete_stmt(&self) -> DeleteStmtOpt

cast as DeleteStmt

pub fn is_delete_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_update_stmt(&self) -> UpdateStmtOpt

cast as UpdateStmt

pub fn is_update_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_merge_stmt(&self) -> MergeStmtOpt

cast as MergeStmt

pub fn is_merge_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_select_stmt(&self) -> SelectStmtOpt

cast as SelectStmt

pub fn is_select_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_set_operation_stmt(&self) -> SetOperationStmtOpt

cast as SetOperationStmt

pub fn is_set_operation_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_return_stmt(&self) -> ReturnStmtOpt

cast as ReturnStmt

pub fn is_return_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_plassign_stmt(&self) -> PlAssignStmtOpt

cast as PlassignStmt

pub fn is_plassign_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_schema_stmt(&self) -> CreateSchemaStmtOpt

cast as CreateSchemaStmt

pub fn is_create_schema_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_table_stmt(&self) -> AlterTableStmtOpt

cast as AlterTableStmt

pub fn is_alter_table_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_replica_identity_stmt(&self) -> ReplicaIdentityStmtOpt

cast as ReplicaIdentityStmt

pub fn is_replica_identity_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_table_cmd(&self) -> AlterTableCmdOpt

cast as AlterTableCmd

pub fn is_alter_table_cmd(&self) -> bool

test variant kind

impl Node

pub fn as_alter_collation_stmt(&self) -> AlterCollationStmtOpt

cast as AlterCollationStmt

pub fn is_alter_collation_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_domain_stmt(&self) -> AlterDomainStmtOpt

cast as AlterDomainStmt

pub fn is_alter_domain_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_grant_stmt(&self) -> GrantStmtOpt

cast as GrantStmt

pub fn is_grant_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_object_with_args(&self) -> ObjectWithArgsOpt

cast as ObjectWithArgs

pub fn is_object_with_args(&self) -> bool

test variant kind

impl Node

pub fn as_access_priv(&self) -> AccessPrivOpt

cast as AccessPriv

pub fn is_access_priv(&self) -> bool

test variant kind

impl Node

pub fn as_grant_role_stmt(&self) -> GrantRoleStmtOpt

cast as GrantRoleStmt

pub fn is_grant_role_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_default_privileges_stmt(&self) -> AlterDefaultPrivilegesStmtOpt

cast as AlterDefaultPrivilegesStmt

pub fn is_alter_default_privileges_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_copy_stmt(&self) -> CopyStmtOpt

cast as CopyStmt

pub fn is_copy_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_variable_set_stmt(&self) -> VariableSetStmtOpt

cast as VariableSetStmt

pub fn is_variable_set_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_variable_show_stmt(&self) -> VariableShowStmtOpt

cast as VariableShowStmt

pub fn is_variable_show_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_stmt(&self) -> CreateStmtOpt

cast as CreateStmt

pub fn is_create_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_constraint(&self) -> ConstraintOpt

cast as Constraint

pub fn is_constraint(&self) -> bool

test variant kind

impl Node

pub fn as_create_table_space_stmt(&self) -> CreateTableSpaceStmtOpt

cast as CreateTableSpaceStmt

pub fn is_create_table_space_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_drop_table_space_stmt(&self) -> DropTableSpaceStmtOpt

cast as DropTableSpaceStmt

pub fn is_drop_table_space_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_table_space_options_stmt(&self) -> AlterTableSpaceOptionsStmtOpt

cast as AlterTableSpaceOptionsStmt

pub fn is_alter_table_space_options_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_table_move_all_stmt(&self) -> AlterTableMoveAllStmtOpt

cast as AlterTableMoveAllStmt

pub fn is_alter_table_move_all_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_extension_stmt(&self) -> CreateExtensionStmtOpt

cast as CreateExtensionStmt

pub fn is_create_extension_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_extension_stmt(&self) -> AlterExtensionStmtOpt

cast as AlterExtensionStmt

pub fn is_alter_extension_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_extension_contents_stmt(&self) -> AlterExtensionContentsStmtOpt

cast as AlterExtensionContentsStmt

pub fn is_alter_extension_contents_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_fdw_stmt(&self) -> CreateFdwStmtOpt

cast as CreateFdwStmt

pub fn is_create_fdw_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_fdw_stmt(&self) -> AlterFdwStmtOpt

cast as AlterFdwStmt

pub fn is_alter_fdw_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_foreign_server_stmt(&self) -> CreateForeignServerStmtOpt

cast as CreateForeignServerStmt

pub fn is_create_foreign_server_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_foreign_server_stmt(&self) -> AlterForeignServerStmtOpt

cast as AlterForeignServerStmt

pub fn is_alter_foreign_server_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_foreign_table_stmt(&self) -> CreateForeignTableStmtOpt

cast as CreateForeignTableStmt

pub fn is_create_foreign_table_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_user_mapping_stmt(&self) -> CreateUserMappingStmtOpt

cast as CreateUserMappingStmt

pub fn is_create_user_mapping_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_user_mapping_stmt(&self) -> AlterUserMappingStmtOpt

cast as AlterUserMappingStmt

pub fn is_alter_user_mapping_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_drop_user_mapping_stmt(&self) -> DropUserMappingStmtOpt

cast as DropUserMappingStmt

pub fn is_drop_user_mapping_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_import_foreign_schema_stmt(&self) -> ImportForeignSchemaStmtOpt

cast as ImportForeignSchemaStmt

pub fn is_import_foreign_schema_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_policy_stmt(&self) -> CreatePolicyStmtOpt

cast as CreatePolicyStmt

pub fn is_create_policy_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_policy_stmt(&self) -> AlterPolicyStmtOpt

cast as AlterPolicyStmt

pub fn is_alter_policy_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_am_stmt(&self) -> CreateAmStmtOpt

cast as CreateAmStmt

pub fn is_create_am_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_trig_stmt(&self) -> CreateTrigStmtOpt

cast as CreateTrigStmt

pub fn is_create_trig_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_event_trig_stmt(&self) -> CreateEventTrigStmtOpt

cast as CreateEventTrigStmt

pub fn is_create_event_trig_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_event_trig_stmt(&self) -> AlterEventTrigStmtOpt

cast as AlterEventTrigStmt

pub fn is_alter_event_trig_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_plang_stmt(&self) -> CreatePLangStmtOpt

cast as CreatePlangStmt

pub fn is_create_plang_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_role_stmt(&self) -> CreateRoleStmtOpt

cast as CreateRoleStmt

pub fn is_create_role_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_role_stmt(&self) -> AlterRoleStmtOpt

cast as AlterRoleStmt

pub fn is_alter_role_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_role_set_stmt(&self) -> AlterRoleSetStmtOpt

cast as AlterRoleSetStmt

pub fn is_alter_role_set_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_drop_role_stmt(&self) -> DropRoleStmtOpt

cast as DropRoleStmt

pub fn is_drop_role_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_seq_stmt(&self) -> CreateSeqStmtOpt

cast as CreateSeqStmt

pub fn is_create_seq_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_seq_stmt(&self) -> AlterSeqStmtOpt

cast as AlterSeqStmt

pub fn is_alter_seq_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_define_stmt(&self) -> DefineStmtOpt

cast as DefineStmt

pub fn is_define_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_domain_stmt(&self) -> CreateDomainStmtOpt

cast as CreateDomainStmt

pub fn is_create_domain_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_op_class_stmt(&self) -> CreateOpClassStmtOpt

cast as CreateOpClassStmt

pub fn is_create_op_class_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_op_class_item(&self) -> CreateOpClassItemOpt

cast as CreateOpClassItem

pub fn is_create_op_class_item(&self) -> bool

test variant kind

impl Node

pub fn as_create_op_family_stmt(&self) -> CreateOpFamilyStmtOpt

cast as CreateOpFamilyStmt

pub fn is_create_op_family_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_op_family_stmt(&self) -> AlterOpFamilyStmtOpt

cast as AlterOpFamilyStmt

pub fn is_alter_op_family_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_drop_stmt(&self) -> DropStmtOpt

cast as DropStmt

pub fn is_drop_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_truncate_stmt(&self) -> TruncateStmtOpt

cast as TruncateStmt

pub fn is_truncate_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_comment_stmt(&self) -> CommentStmtOpt

cast as CommentStmt

pub fn is_comment_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_sec_label_stmt(&self) -> SecLabelStmtOpt

cast as SecLabelStmt

pub fn is_sec_label_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_declare_cursor_stmt(&self) -> DeclareCursorStmtOpt

cast as DeclareCursorStmt

pub fn is_declare_cursor_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_close_portal_stmt(&self) -> ClosePortalStmtOpt

cast as ClosePortalStmt

pub fn is_close_portal_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_fetch_stmt(&self) -> FetchStmtOpt

cast as FetchStmt

pub fn is_fetch_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_index_stmt(&self) -> IndexStmtOpt

cast as IndexStmt

pub fn is_index_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_stats_stmt(&self) -> CreateStatsStmtOpt

cast as CreateStatsStmt

pub fn is_create_stats_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_stats_elem(&self) -> StatsElemOpt

cast as StatsElem

pub fn is_stats_elem(&self) -> bool

test variant kind

impl Node

pub fn as_alter_stats_stmt(&self) -> AlterStatsStmtOpt

cast as AlterStatsStmt

pub fn is_alter_stats_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_function_stmt(&self) -> CreateFunctionStmtOpt

cast as CreateFunctionStmt

pub fn is_create_function_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_function_parameter(&self) -> FunctionParameterOpt

cast as FunctionParameter

pub fn is_function_parameter(&self) -> bool

test variant kind

impl Node

pub fn as_alter_function_stmt(&self) -> AlterFunctionStmtOpt

cast as AlterFunctionStmt

pub fn is_alter_function_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_do_stmt(&self) -> DoStmtOpt

cast as DoStmt

pub fn is_do_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_inline_code_block(&self) -> InlineCodeBlockOpt

cast as InlineCodeBlock

pub fn is_inline_code_block(&self) -> bool

test variant kind

impl Node

pub fn as_call_stmt(&self) -> CallStmtOpt

cast as CallStmt

pub fn is_call_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_call_context(&self) -> CallContextOpt

cast as CallContext

pub fn is_call_context(&self) -> bool

test variant kind

impl Node

pub fn as_rename_stmt(&self) -> RenameStmtOpt

cast as RenameStmt

pub fn is_rename_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_object_depends_stmt(&self) -> AlterObjectDependsStmtOpt

cast as AlterObjectDependsStmt

pub fn is_alter_object_depends_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_object_schema_stmt(&self) -> AlterObjectSchemaStmtOpt

cast as AlterObjectSchemaStmt

pub fn is_alter_object_schema_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_owner_stmt(&self) -> AlterOwnerStmtOpt

cast as AlterOwnerStmt

pub fn is_alter_owner_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_operator_stmt(&self) -> AlterOperatorStmtOpt

cast as AlterOperatorStmt

pub fn is_alter_operator_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_type_stmt(&self) -> AlterTypeStmtOpt

cast as AlterTypeStmt

pub fn is_alter_type_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_rule_stmt(&self) -> RuleStmtOpt

cast as RuleStmt

pub fn is_rule_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_notify_stmt(&self) -> NotifyStmtOpt

cast as NotifyStmt

pub fn is_notify_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_listen_stmt(&self) -> ListenStmtOpt

cast as ListenStmt

pub fn is_listen_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_unlisten_stmt(&self) -> UnlistenStmtOpt

cast as UnlistenStmt

pub fn is_unlisten_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_transaction_stmt(&self) -> TransactionStmtOpt

cast as TransactionStmt

pub fn is_transaction_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_composite_type_stmt(&self) -> CompositeTypeStmtOpt

cast as CompositeTypeStmt

pub fn is_composite_type_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_enum_stmt(&self) -> CreateEnumStmtOpt

cast as CreateEnumStmt

pub fn is_create_enum_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_range_stmt(&self) -> CreateRangeStmtOpt

cast as CreateRangeStmt

pub fn is_create_range_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_enum_stmt(&self) -> AlterEnumStmtOpt

cast as AlterEnumStmt

pub fn is_alter_enum_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_view_stmt(&self) -> ViewStmtOpt

cast as ViewStmt

pub fn is_view_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_load_stmt(&self) -> LoadStmtOpt

cast as LoadStmt

pub fn is_load_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_createdb_stmt(&self) -> CreatedbStmtOpt

cast as CreatedbStmt

pub fn is_createdb_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_database_stmt(&self) -> AlterDatabaseStmtOpt

cast as AlterDatabaseStmt

pub fn is_alter_database_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_database_refresh_coll_stmt( &self, ) -> AlterDatabaseRefreshCollStmtOpt

cast as AlterDatabaseRefreshCollStmt

pub fn is_alter_database_refresh_coll_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_database_set_stmt(&self) -> AlterDatabaseSetStmtOpt

cast as AlterDatabaseSetStmt

pub fn is_alter_database_set_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_dropdb_stmt(&self) -> DropdbStmtOpt

cast as DropdbStmt

pub fn is_dropdb_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_system_stmt(&self) -> AlterSystemStmtOpt

cast as AlterSystemStmt

pub fn is_alter_system_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_cluster_stmt(&self) -> ClusterStmtOpt

cast as ClusterStmt

pub fn is_cluster_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_vacuum_stmt(&self) -> VacuumStmtOpt

cast as VacuumStmt

pub fn is_vacuum_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_vacuum_relation(&self) -> VacuumRelationOpt

cast as VacuumRelation

pub fn is_vacuum_relation(&self) -> bool

test variant kind

impl Node

pub fn as_explain_stmt(&self) -> ExplainStmtOpt

cast as ExplainStmt

pub fn is_explain_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_table_as_stmt(&self) -> CreateTableAsStmtOpt

cast as CreateTableAsStmt

pub fn is_create_table_as_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_refresh_mat_view_stmt(&self) -> RefreshMatViewStmtOpt

cast as RefreshMatViewStmt

pub fn is_refresh_mat_view_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_check_point_stmt(&self) -> CheckPointStmtOpt

cast as CheckPointStmt

pub fn is_check_point_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_discard_stmt(&self) -> DiscardStmtOpt

cast as DiscardStmt

pub fn is_discard_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_lock_stmt(&self) -> LockStmtOpt

cast as LockStmt

pub fn is_lock_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_constraints_set_stmt(&self) -> ConstraintsSetStmtOpt

cast as ConstraintsSetStmt

pub fn is_constraints_set_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_reindex_stmt(&self) -> ReindexStmtOpt

cast as ReindexStmt

pub fn is_reindex_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_conversion_stmt(&self) -> CreateConversionStmtOpt

cast as CreateConversionStmt

pub fn is_create_conversion_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_cast_stmt(&self) -> CreateCastStmtOpt

cast as CreateCastStmt

pub fn is_create_cast_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_transform_stmt(&self) -> CreateTransformStmtOpt

cast as CreateTransformStmt

pub fn is_create_transform_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_prepare_stmt(&self) -> PrepareStmtOpt

cast as PrepareStmt

pub fn is_prepare_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_execute_stmt(&self) -> ExecuteStmtOpt

cast as ExecuteStmt

pub fn is_execute_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_deallocate_stmt(&self) -> DeallocateStmtOpt

cast as DeallocateStmt

pub fn is_deallocate_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_drop_owned_stmt(&self) -> DropOwnedStmtOpt

cast as DropOwnedStmt

pub fn is_drop_owned_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_reassign_owned_stmt(&self) -> ReassignOwnedStmtOpt

cast as ReassignOwnedStmt

pub fn is_reassign_owned_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_tsdictionary_stmt(&self) -> AlterTsDictionaryStmtOpt

cast as AlterTsdictionaryStmt

pub fn is_alter_tsdictionary_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_tsconfiguration_stmt(&self) -> AlterTsConfigurationStmtOpt

cast as AlterTsconfigurationStmt

pub fn is_alter_tsconfiguration_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_publication_table(&self) -> PublicationTableOpt

cast as PublicationTable

pub fn is_publication_table(&self) -> bool

test variant kind

impl Node

pub fn as_publication_obj_spec(&self) -> PublicationObjSpecOpt

cast as PublicationObjSpec

pub fn is_publication_obj_spec(&self) -> bool

test variant kind

impl Node

pub fn as_create_publication_stmt(&self) -> CreatePublicationStmtOpt

cast as CreatePublicationStmt

pub fn is_create_publication_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_publication_stmt(&self) -> AlterPublicationStmtOpt

cast as AlterPublicationStmt

pub fn is_alter_publication_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_create_subscription_stmt(&self) -> CreateSubscriptionStmtOpt

cast as CreateSubscriptionStmt

pub fn is_create_subscription_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_alter_subscription_stmt(&self) -> AlterSubscriptionStmtOpt

cast as AlterSubscriptionStmt

pub fn is_alter_subscription_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_drop_subscription_stmt(&self) -> DropSubscriptionStmtOpt

cast as DropSubscriptionStmt

pub fn is_drop_subscription_stmt(&self) -> bool

test variant kind

impl Node

pub fn as_integer(&self) -> IntegerOpt

cast as Integer

pub fn is_integer(&self) -> bool

test variant kind

impl Node

pub fn as_float(&self) -> FloatOpt

cast as Float

pub fn is_float(&self) -> bool

test variant kind

impl Node

pub fn as_boolean(&self) -> BooleanOpt

cast as Boolean

pub fn is_boolean(&self) -> bool

test variant kind

impl Node

pub fn as_string(&self) -> StringOpt

cast as String

pub fn is_string(&self) -> bool

test variant kind

impl Node

pub fn as_bit_string(&self) -> BitStringOpt

cast as BitString

pub fn is_bit_string(&self) -> bool

test variant kind

impl Node

pub fn as_list(&self) -> ListOpt

cast as List

pub fn is_list(&self) -> bool

test variant kind

impl Node

pub fn as_int_list(&self) -> IntListOpt

cast as IntList

pub fn is_int_list(&self) -> bool

test variant kind

impl Node

pub fn as_oid_list(&self) -> OidListOpt

cast as OidList

pub fn is_oid_list(&self) -> bool

test variant kind

impl Node

pub fn as_a_const(&self) -> AConstOpt

cast as AConst

pub fn is_a_const(&self) -> bool

test variant kind

Trait Implementations

impl Clone for Node

fn clone(&self) -> Node

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Node

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

Formats the value using the given formatter.

impl From<&Node> for Node

fn from(value: &Node) -> Self

Converts to this type from the input type.

impl From<Node> for Node

fn from(value: Node) -> Self

Converts to this type from the input type.

impl From<Node> for Node

fn from(value: Node) -> Self

Converts to this type from the input type.

impl From<Option<Box<Node>>> for Node

fn from(value: Option<Box<Node>>) -> Self

Converts to this type from the input type.

impl From<Option<Node>> for Node

fn from(value: Option<Node>) -> Self

Converts to this type from the input type.

impl From<Option<Node>> for Node

fn from(value: Option<Node>) -> Self

Converts to this type from the input type.

impl ListOpt<Node> for NodeListOpt

type OptType = Node

internal value type

fn as_inner(&self) -> Option<Vec<Node>>

get reference of inner value

fn get(&self, index: usize) -> Self::OptType

get zero based index entry

fn map<U, F, V>(&self, f: F) -> Option<Vec<U>>

where F: Fn(T) -> V, V: Opt<U>,

convert list items

fn map_values<U, F>(&self, f: F) -> Option<Vec<U>>

where F: Fn(T) -> Option<U>,

covert list items

impl Opt<Node> for Node

fn as_inner(&self) -> Option<Node>

get reference of inner value

fn unwrap(&self) -> T

covert to inner value

fn ok_or_else<E, F>(&self, err: F) -> Result<T, E>

where F: FnOnce() -> E,

get inner value

fn map<U, F>(&self, f: F) -> Option<U>

where F: FnOnce(T) -> U,

covert item with function