Enum syntax::ext::expand::AstFragment

pub enum AstFragment {
    OptExpr(Option<P<Expr>>),
    Expr(P<Expr>),
    Pat(P<Pat>),
    Ty(P<Ty>),
    Stmts(SmallVector<Stmt>),
    Items(SmallVector<P<Item>>),
    TraitItems(SmallVector<TraitItem>),
    ImplItems(SmallVector<ImplItem>),
    ForeignItems(SmallVector<ForeignItem>),
}

A fragment of AST that can be produced by a single macro expansion. Can also serve as an input and intermediate result for macro expansion operations.

Variants

OptExpr(Option<P<Expr>>)Expr(P<Expr>)Pat(P<Pat>)Ty(P<Ty>)Stmts(SmallVector<Stmt>)Items(SmallVector<P<Item>>)TraitItems(SmallVector<TraitItem>)ImplItems(SmallVector<ImplItem>)ForeignItems(SmallVector<ForeignItem>)

Methods

impl AstFragment

pub fn make_opt_expr(self) -> Option<P<Expr>>

pub fn make_expr(self) -> P<Expr>

pub fn make_pat(self) -> P<Pat>

pub fn make_ty(self) -> P<Ty>

pub fn make_stmts(self) -> SmallVector<Stmt>

pub fn make_items(self) -> SmallVector<P<Item>>

pub fn make_trait_items(self) -> SmallVector<TraitItem>

pub fn make_impl_items(self) -> SmallVector<ImplItem>

pub fn make_foreign_items(self) -> SmallVector<ForeignItem>

pub fn fold_with<F: Folder>(self, folder: &mut F) -> Self

pub fn visit_with<'a, V: Visitor<'a>>(&'a self, visitor: &mut V)