pub type Value<'tcx> = Option<&'tcx FxIndexMap<HirId, Upvar>>;
Aliased Type§
enum Value<'tcx> {
None,
Some(&'tcx IndexMap<HirId, Upvar, BuildHasherDefault<FxHasher>>),
}
Variants§
None
No value.
Some(&'tcx IndexMap<HirId, Upvar, BuildHasherDefault<FxHasher>>)
Some value of type T
.
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: 8 bytes
Size for each variant:
None
: 0 bytesSome
: 8 bytes