pub type ProvidedValue<'tcx> = Result<&'tcx DefIdMap<EarlyBinder<'tcx, Ty<'tcx>>>, ErrorGuaranteed>;
Expand description
This type alias specifies the type returned from query providers and the type
used for decoding. For regular queries this is the declared returned type V
,
but arena_cache
will use <V as Deref>::Target
instead.
Aliased Type§
enum ProvidedValue<'tcx> {
Ok(&'tcx UnordMap<DefId, EarlyBinder<TyCtxt<'tcx>, Ty<'tcx>>>),
Err(ErrorGuaranteed),
}
Variants§
Ok(&'tcx UnordMap<DefId, EarlyBinder<TyCtxt<'tcx>, Ty<'tcx>>>)
Contains the success value
Err(ErrorGuaranteed)
Contains the error value
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:
Ok
: 8 bytesErr
: 0 bytes