pub type Key<'tcx> = SimplifiedType;
Aliased Type§
enum Key<'tcx> {
Show 22 variants
Bool,
Char,
Int(IntTy),
Uint(UintTy),
Float(FloatTy),
Adt(DefId),
Foreign(DefId),
Str,
Array,
Slice,
Ref(Mutability),
Ptr(Mutability),
Never,
Tuple(usize),
MarkerTraitObject,
Trait(DefId),
Closure(DefId),
Coroutine(DefId),
CoroutineWitness(DefId),
Function(usize),
Placeholder,
Error,
}
Variants§
Bool
Char
Int(IntTy)
Uint(UintTy)
Float(FloatTy)
Adt(DefId)
Foreign(DefId)
Str
Array
Slice
Ref(Mutability)
Ptr(Mutability)
Never
Tuple(usize)
MarkerTraitObject
A trait object, all of whose components are markers
(e.g., dyn Send + Sync
).
Trait(DefId)
Closure(DefId)
Coroutine(DefId)
CoroutineWitness(DefId)
Function(usize)
Placeholder
Error
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: 16 bytes
Size for each variant:
Bool
: 0 bytesChar
: 0 bytesInt
: 1 byteUint
: 1 byteFloat
: 1 byteAdt
: 11 bytesForeign
: 11 bytesStr
: 0 bytesArray
: 0 bytesSlice
: 0 bytesRef
: 1 bytePtr
: 1 byteNever
: 0 bytesTuple
: 15 bytesMarkerTraitObject
: 0 bytesTrait
: 11 bytesClosure
: 11 bytesCoroutine
: 11 bytesCoroutineWitness
: 11 bytesFunction
: 15 bytesPlaceholder
: 0 bytesError
: 0 bytes