Enum rustc_ap_rustc_span::hygiene::ExpnKind [−][src]
pub enum ExpnKind { Root, Macro { kind: MacroKind, name: Symbol, proc_macro: bool, }, AstPass(AstPass), Desugaring(DesugaringKind), Inlined, }
Expand description
Expansion kind.
Variants
No expansion, aka root expansion. Only ExpnId::root()
has this kind.
Expansion produced by a macro.
Show fields
AstPass(AstPass)
Transform done by the compiler on the AST.
Desugaring(DesugaringKind)
Desugaring done by the compiler during HIR lowering.
MIR inlining
Implementations
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for ExpnKind
impl UnwindSafe for ExpnKind
Blanket Implementations
Mutably borrows from an owned value. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
type Output = T
type Output = T
Should always be Self
pub fn vzip(self) -> V