pub(crate) enum PossibleFeature<'a> {
Some {
rust_feature: &'a str,
},
None,
}
Variants§
Trait Implementations§
source§impl<'a> Subdiagnostic for PossibleFeature<'a>
impl<'a> Subdiagnostic for PossibleFeature<'a>
source§fn add_to_diag_with<__G, __F>(self, diag: &mut Diag<'_, __G>, f: __F)where
__G: EmissionGuarantee,
__F: SubdiagMessageOp<__G>,
fn add_to_diag_with<__G, __F>(self, diag: &mut Diag<'_, __G>, f: __F)where
__G: EmissionGuarantee,
__F: SubdiagMessageOp<__G>,
Add a subdiagnostic to an existing diagnostic where
f
is invoked on every message used
(to optionally perform eager translation).source§fn add_to_diag<G>(self, diag: &mut Diag<'_, G>)where
G: EmissionGuarantee,
fn add_to_diag<G>(self, diag: &mut Diag<'_, G>)where
G: EmissionGuarantee,
Add a subdiagnostic to an existing diagnostic.
Auto Trait Implementations§
impl<'a> DynSend for PossibleFeature<'a>
impl<'a> DynSync for PossibleFeature<'a>
impl<'a> Freeze for PossibleFeature<'a>
impl<'a> RefUnwindSafe for PossibleFeature<'a>
impl<'a> Send for PossibleFeature<'a>
impl<'a> Sync for PossibleFeature<'a>
impl<'a> Unpin for PossibleFeature<'a>
impl<'a> UnwindSafe for PossibleFeature<'a>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
§impl<T> Filterable for T
impl<T> Filterable for T
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<P> IntoQueryParam<P> for P
impl<P> IntoQueryParam<P> for P
fn into_query_param(self) -> P
source§impl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
§impl<T> Pointable for T
impl<T> Pointable for T
source§impl<'tcx, T> ToPredicate<'tcx, T> for T
impl<'tcx, T> ToPredicate<'tcx, T> for T
fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T
source§impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed ) -> T
source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
impl<'a, T> Captures<'a> for Twhere
T: ?Sized,
impl<T> ErasedDestructor for Twhere
T: 'static,
impl<T> MaybeSendSync for 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: 16 bytes
Size for each variant:
Some
: 16 bytesNone
: 0 bytes