Enum rustc_expand::hygiene::ExpnKind[−][src]

pub enum ExpnKind {
    Root,
    Macro(MacroKind, Symbol),
    AstPass(AstPass),
    Desugaring(DesugaringKind),
    Inlined,
}
Expand description

Expansion kind.

Variants

Root

No expansion, aka root expansion. Only ExpnId::root() has this kind.

Macro(MacroKind, Symbol)

Expansion produced by a macro.

AstPass(AstPass)

Transform done by the compiler on the AST.

Desugaring(DesugaringKind)

Desugaring done by the compiler during HIR lowering.

Inlined

MIR inlining

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

Layout

Note: Most layout information is completely unstable and may be different between compiler versions and platforms. 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: 8 bytes