pub enum AstFragment {
Show 18 variants OptExpr(Option<P<Expr>>), MethodReceiverExpr(P<Expr>), Expr(P<Expr>), Pat(P<Pat>), Ty(P<Ty>), Stmts(SmallVec<[Stmt; 1]>), Items(SmallVec<[P<Item>; 1]>), TraitItems(SmallVec<[P<AssocItem>; 1]>), ImplItems(SmallVec<[P<AssocItem>; 1]>), ForeignItems(SmallVec<[P<ForeignItem>; 1]>), Arms(SmallVec<[Arm; 1]>), ExprFields(SmallVec<[ExprField; 1]>), PatFields(SmallVec<[PatField; 1]>), GenericParams(SmallVec<[GenericParam; 1]>), Params(SmallVec<[Param; 1]>), FieldDefs(SmallVec<[FieldDef; 1]>), Variants(SmallVec<[Variant; 1]>), Crate(Crate),
}
Expand description

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§

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OptExpr(Option<P<Expr>>)

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MethodReceiverExpr(P<Expr>)

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Expr(P<Expr>)

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Pat(P<Pat>)

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Ty(P<Ty>)

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Stmts(SmallVec<[Stmt; 1]>)

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Items(SmallVec<[P<Item>; 1]>)

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TraitItems(SmallVec<[P<AssocItem>; 1]>)

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ImplItems(SmallVec<[P<AssocItem>; 1]>)

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ForeignItems(SmallVec<[P<ForeignItem>; 1]>)

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Arms(SmallVec<[Arm; 1]>)

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ExprFields(SmallVec<[ExprField; 1]>)

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PatFields(SmallVec<[PatField; 1]>)

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GenericParams(SmallVec<[GenericParam; 1]>)

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Params(SmallVec<[Param; 1]>)

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FieldDefs(SmallVec<[FieldDef; 1]>)

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Variants(SmallVec<[Variant; 1]>)

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Crate(Crate)

Implementations§

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impl AstFragment

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pub fn add_placeholders(&mut self, placeholders: &[NodeId])

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

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

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

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

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

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pub fn make_stmts(self) -> SmallVec<[Stmt; 1]>

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pub fn make_items(self) -> SmallVec<[P<Item>; 1]>

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pub fn make_trait_items(self) -> SmallVec<[P<AssocItem>; 1]>

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pub fn make_impl_items(self) -> SmallVec<[P<AssocItem>; 1]>

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pub fn make_foreign_items(self) -> SmallVec<[P<ForeignItem>; 1]>

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pub fn make_arms(self) -> SmallVec<[Arm; 1]>

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pub fn make_expr_fields(self) -> SmallVec<[ExprField; 1]>

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pub fn make_pat_fields(self) -> SmallVec<[PatField; 1]>

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pub fn make_generic_params(self) -> SmallVec<[GenericParam; 1]>

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pub fn make_params(self) -> SmallVec<[Param; 1]>

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pub fn make_field_defs(self) -> SmallVec<[FieldDef; 1]>

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pub fn make_variants(self) -> SmallVec<[Variant; 1]>

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pub fn make_crate(self) -> Crate

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fn make_ast<T: InvocationCollectorNode>(self) -> T::OutputTy

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pub fn mut_visit_with<F: MutVisitor>(&mut self, vis: &mut F)

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

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size:120 bytes

Size for each variant:

  • OptExpr: 8 bytes
  • MethodReceiverExpr: 8 bytes
  • Expr: 8 bytes
  • Pat: 8 bytes
  • Ty: 8 bytes
  • Stmts: 40 bytes
  • Items: 24 bytes
  • TraitItems: 24 bytes
  • ImplItems: 24 bytes
  • ForeignItems: 24 bytes
  • Arms: 56 bytes
  • ExprFields: 56 bytes
  • PatFields: 56 bytes
  • GenericParams: 104 bytes
  • Params: 48 bytes
  • FieldDefs: 88 bytes
  • Variants: 112 bytes
  • Crate: 40 bytes