Struct rustc::hir::def_id::DefId [−][src]
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A DefId identifies a particular definition, by combining a crate index and a def index.
Fields
krate: CrateNum
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index: DefIndex
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Methods
impl DefId
[src]
impl DefId
pub fn to_dep_node(self, tcx: TyCtxt, kind: DepKind) -> DepNode
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pub fn to_dep_node(self, tcx: TyCtxt, kind: DepKind) -> DepNode
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impl DefId
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impl DefId
pub fn local(index: DefIndex) -> DefId
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pub fn local(index: DefIndex) -> DefId
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Make a local DefId
with the given index.
pub fn is_local(self) -> bool
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pub fn is_local(self) -> bool
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pub fn to_local(self) -> LocalDefId
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pub fn to_local(self) -> LocalDefId
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Trait Implementations
impl<'a, 'gcx: 'tcx + 'a, 'tcx: 'a> DepNodeParams<'a, 'gcx, 'tcx> for DefId
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impl<'a, 'gcx: 'tcx + 'a, 'tcx: 'a> DepNodeParams<'a, 'gcx, 'tcx> for DefId
const CAN_RECONSTRUCT_QUERY_KEY: bool
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CAN_RECONSTRUCT_QUERY_KEY: bool = true
fn to_fingerprint(&self, tcx: TyCtxt) -> Fingerprint
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fn to_fingerprint(&self, tcx: TyCtxt) -> Fingerprint
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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). Read more
fn to_debug_str(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> String
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fn to_debug_str(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> String
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impl DepGraphSafe for DefId
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impl DepGraphSafe for DefId
A DefId
on its own doesn't give access to any particular state.
You must fetch the state from the various maps or generate
on-demand queries, all of which create reads.
impl Clone for DefId
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impl Clone for DefId
fn clone(&self) -> DefId
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fn clone(&self) -> DefId
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Eq for DefId
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impl Eq for DefId
fn assert_receiver_is_total_eq(&self)
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fn assert_receiver_is_total_eq(&self)
impl Ord for DefId
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impl Ord for DefId
fn cmp(&self, other: &DefId) -> Ordering
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fn cmp(&self, other: &DefId) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
impl PartialOrd for DefId
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impl PartialOrd for DefId
fn partial_cmp(&self, other: &DefId) -> Option<Ordering>
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fn partial_cmp(&self, other: &DefId) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &DefId) -> bool
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fn lt(&self, other: &DefId) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &DefId) -> bool
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fn le(&self, other: &DefId) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &DefId) -> bool
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fn gt(&self, other: &DefId) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &DefId) -> bool
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fn ge(&self, other: &DefId) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl PartialEq for DefId
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impl PartialEq for DefId
fn eq(&self, other: &DefId) -> bool
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fn eq(&self, other: &DefId) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &DefId) -> bool
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fn ne(&self, other: &DefId) -> bool
This method tests for !=
.
impl Hash for DefId
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impl Hash for DefId
fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash<__H: Hasher>(&self, state: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Copy for DefId
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impl Copy for DefId
impl Debug for DefId
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impl Debug for DefId
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl UseSpecializedEncodable for DefId
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impl UseSpecializedEncodable for DefId
fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
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fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
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Defaults to returning an error (see SpecializationError
).
impl UseSpecializedDecodable for DefId
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impl UseSpecializedDecodable for DefId
fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
D: Decoder,
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fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
D: Decoder,
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Defaults to returning an error (see SpecializationError
).
impl<'a> HashStable<StableHashingContext<'a>> for DefId
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impl<'a> HashStable<StableHashingContext<'a>> for DefId
fn hash_stable<W: StableHasherResult>(
&self,
hcx: &mut StableHashingContext<'a>,
hasher: &mut StableHasher<W>
)
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fn hash_stable<W: StableHasherResult>(
&self,
hcx: &mut StableHashingContext<'a>,
hasher: &mut StableHasher<W>
)
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impl<'a> ToStableHashKey<StableHashingContext<'a>> for DefId
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impl<'a> ToStableHashKey<StableHashingContext<'a>> for DefId
type KeyType = DefPathHash
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fn to_stable_hash_key(&self, hcx: &StableHashingContext<'a>) -> DefPathHash
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fn to_stable_hash_key(&self, hcx: &StableHashingContext<'a>) -> DefPathHash
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impl Key for DefId
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impl Key for DefId
fn query_crate(&self) -> CrateNum
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fn query_crate(&self) -> CrateNum
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Given an instance of this key, what crate is it referring to? This is used to find the provider. Read more
fn default_span(&self, tcx: TyCtxt) -> Span
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fn default_span(&self, tcx: TyCtxt) -> Span
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In the event that a cycle occurs, if no explicit span has been given for a query with key self
, what span should we use? Read more
impl<'a, 'tcx, 'x> SpecializedDecoder<DefId> for CacheDecoder<'a, 'tcx, 'x>
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impl<'a, 'tcx, 'x> SpecializedDecoder<DefId> for CacheDecoder<'a, 'tcx, 'x>
fn specialized_decode(&mut self) -> Result<DefId, Self::Error>
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fn specialized_decode(&mut self) -> Result<DefId, Self::Error>
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Decode a value in a manner specific to this decoder state.
impl<'enc, 'a, 'tcx, E> SpecializedEncoder<DefId> for CacheEncoder<'enc, 'a, 'tcx, E> where
E: 'enc + TyEncoder,
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impl<'enc, 'a, 'tcx, E> SpecializedEncoder<DefId> for CacheEncoder<'enc, 'a, 'tcx, E> where
E: 'enc + TyEncoder,
fn specialized_encode(&mut self, id: &DefId) -> Result<(), Self::Error>
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fn specialized_encode(&mut self, id: &DefId) -> Result<(), Self::Error>
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Encode the value in a manner specific to this encoder state.
impl<'tcx> TypeFoldable<'tcx> for DefId
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impl<'tcx> TypeFoldable<'tcx> for DefId
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
_: &mut F
) -> DefId
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fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
_: &mut F
) -> DefId
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fn super_visit_with<F: TypeVisitor<'tcx>>(&self, _: &mut F) -> bool
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fn super_visit_with<F: TypeVisitor<'tcx>>(&self, _: &mut F) -> bool
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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool
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fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool
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True if self
has any late-bound regions that are either bound by binder
or bound by some binder outside of binder
. If binder
is ty::INNERMOST
, this indicates whether there are any late-bound regions that appear free. Read more
fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
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fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
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True if this self
has any regions that escape binder
(and hence are not bound by it). Read more
fn has_escaping_regions(&self) -> bool
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fn has_escaping_regions(&self) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_projections(&self) -> bool
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fn has_projections(&self) -> bool
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fn references_error(&self) -> bool
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fn references_error(&self) -> bool
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fn has_param_types(&self) -> bool
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fn has_param_types(&self) -> bool
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fn has_self_ty(&self) -> bool
[src]
fn has_self_ty(&self) -> bool
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fn has_infer_types(&self) -> bool
[src]
fn has_infer_types(&self) -> bool
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fn needs_infer(&self) -> bool
[src]
fn needs_infer(&self) -> bool
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fn has_skol(&self) -> bool
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fn has_skol(&self) -> bool
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fn needs_subst(&self) -> bool
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fn needs_subst(&self) -> bool
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fn has_re_skol(&self) -> bool
[src]
fn has_re_skol(&self) -> bool
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fn has_closure_types(&self) -> bool
[src]
fn has_closure_types(&self) -> bool
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fn has_free_regions(&self) -> bool
[src]
fn has_free_regions(&self) -> bool
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"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound. Read more
fn has_erasable_regions(&self) -> bool
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fn has_erasable_regions(&self) -> bool
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True if there any any un-erased free regions.
fn is_global(&self) -> bool
[src]
fn is_global(&self) -> bool
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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Read more
fn has_late_bound_regions(&self) -> bool
[src]
fn has_late_bound_regions(&self) -> bool
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True if there are any late-bound regions
impl<'tcx> Lift<'tcx> for DefId
[src]
impl<'tcx> Lift<'tcx> for DefId
type Lifted = Self
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fn lift_to_tcx<'a, 'gcx>(&self, _: TyCtxt<'a, 'gcx, 'tcx>) -> Option<Self>
[src]
fn lift_to_tcx<'a, 'gcx>(&self, _: TyCtxt<'a, 'gcx, 'tcx>) -> Option<Self>
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