Struct rustc_expand::hygiene::ExpnIndex [−][src]
pub struct ExpnIndex {
private: u32,
}
Expand description
A unique ID associated with a macro invocation and expansion.
Fields
private: u32
Auto Trait Implementations
impl RefUnwindSafe for ExpnIndex
impl UnwindSafe for ExpnIndex
Blanket Implementations
Mutably borrows from an owned value. Read more
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: 4 bytes