[][src]Enum rustc_ap_rustc_expand::expand::AstFragment

pub enum AstFragment {
    OptExpr(Option<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]>),
    Fields(SmallVec<[Field; 1]>),
    FieldPats(SmallVec<[FieldPat; 1]>),
    GenericParams(SmallVec<[GenericParam; 1]>),
    Params(SmallVec<[Param; 1]>),
    StructFields(SmallVec<[StructField; 1]>),
    Variants(SmallVec<[Variant; 1]>),
}

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>)
TraitItems(SmallVec<[P<AssocItem>; 1]>)
ForeignItems(SmallVec<[P<ForeignItem>; 1]>)
GenericParams(SmallVec<[GenericParam; 1]>)
StructFields(SmallVec<[StructField; 1]>)

Methods

impl AstFragment[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<'a, T> Captures<'a> for T where
    T: ?Sized
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impl<T> Erased for T[src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> MaybeResult<T> for T[src]

type Error = !

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<E> SpecializationError for E[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.