Struct rustc_middle::ty::generics::GenericParamDef
source · pub struct GenericParamDef {
pub name: Symbol,
pub def_id: DefId,
pub index: u32,
pub pure_wrt_drop: bool,
pub kind: GenericParamDefKind,
}
Fields§
§name: Symbol
§def_id: DefId
§index: u32
§pure_wrt_drop: bool
pure_wrt_drop
, set by the (unsafe) #[may_dangle]
attribute
on generic parameter 'a
/T
, asserts data behind the parameter
'a
/T
won’t be accessed during the parent type’s Drop
impl.
kind: GenericParamDefKind
Implementations§
source§impl GenericParamDef
impl GenericParamDef
pub fn to_early_bound_region_data(&self) -> EarlyBoundRegion
pub fn is_anonymous_lifetime(&self) -> bool
pub fn default_value<'tcx>( &self, tcx: TyCtxt<'tcx> ) -> Option<EarlyBinder<GenericArg<'tcx>>>
pub fn to_error<'tcx>( &self, tcx: TyCtxt<'tcx>, preceding_args: &[GenericArg<'tcx>] ) -> GenericArg<'tcx>
Trait Implementations§
source§impl Clone for GenericParamDef
impl Clone for GenericParamDef
source§fn clone(&self) -> GenericParamDef
fn clone(&self) -> GenericParamDef
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for GenericParamDef
impl Debug for GenericParamDef
source§impl<'__ctx> HashStable<StableHashingContext<'__ctx>> for GenericParamDef
impl<'__ctx> HashStable<StableHashingContext<'__ctx>> for GenericParamDef
fn hash_stable( &self, __hcx: &mut StableHashingContext<'__ctx>, __hasher: &mut StableHasher )
Auto Trait Implementations§
impl RefUnwindSafe for GenericParamDef
impl Send for GenericParamDef
impl Sync for GenericParamDef
impl Unpin for GenericParamDef
impl UnwindSafe for GenericParamDef
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
source§impl<Tcx, T> DepNodeParams<Tcx> for Twhere
Tcx: DepContext,
T: for<'a> HashStable<StableHashingContext<'a>> + Debug,
impl<Tcx, T> DepNodeParams<Tcx> for Twhere Tcx: DepContext, T: for<'a> HashStable<StableHashingContext<'a>> + Debug,
default fn fingerprint_style() -> FingerprintStyle
source§default fn to_fingerprint(&self, tcx: Tcx) -> Fingerprint
default fn to_fingerprint(&self, tcx: Tcx) -> Fingerprint
This method turns the parameters of a DepNodeConstructor into an opaque
Fingerprint to be used in DepNode.
Not all DepNodeParams support being turned into a Fingerprint (they
don’t need to if the corresponding DepNode is anonymous).
default fn to_debug_str(&self, _: Tcx) -> String
source§default fn recover(_: Tcx, _: &DepNode) -> Option<T>
default fn recover(_: Tcx, _: &DepNode) -> Option<T>
This method tries to recover the query key from the given
DepNode
,
something which is needed when forcing DepNode
s during red-green
evaluation. The query system will only call this method if
fingerprint_style()
is not FingerprintStyle::Opaque
.
It is always valid to return None
here, in which case incremental
compilation will treat the query as having changed instead of forcing it.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
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: &[QueryInfo], _guar: ErrorGuaranteed ) -> 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: 20 bytes