#[repr(C)]pub struct DefId {
pub index: DefIndex,
pub krate: CrateNum,
}
Expand description
A DefId
identifies a particular definition, by combining a crate
index and a def index.
You can create a DefId
from a LocalDefId
using local_def_id.to_def_id()
.
Fields§
§index: DefIndex
§krate: CrateNum
Implementations§
source§impl DefId
impl DefId
sourcepub fn is_local(self) -> bool
pub fn is_local(self) -> bool
Returns whether the item is defined in the crate currently being compiled.
pub fn as_local(self) -> Option<LocalDefId>
pub fn expect_local(self) -> LocalDefId
pub fn is_crate_root(self) -> bool
pub fn as_crate_root(self) -> Option<CrateNum>
pub fn is_top_level_module(self) -> bool
Trait Implementations§
source§impl From<LocalDefId> for DefId
impl From<LocalDefId> for DefId
source§fn from(local: LocalDefId) -> DefId
fn from(local: LocalDefId) -> DefId
Converts to this type from the input type.
source§impl From<LocalModDefId> for DefId
impl From<LocalModDefId> for DefId
source§fn from(typed: LocalModDefId) -> DefId
fn from(typed: LocalModDefId) -> DefId
Converts to this type from the input type.
source§impl<CTX> HashStable<CTX> for DefIdwhere
CTX: HashStableContext,
impl<CTX> HashStable<CTX> for DefIdwhere
CTX: HashStableContext,
fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher<SipHasher128>)
source§impl<CTX> ToStableHashKey<CTX> for DefIdwhere
CTX: HashStableContext,
impl<CTX> ToStableHashKey<CTX> for DefIdwhere
CTX: HashStableContext,
type KeyType = DefPathHash
fn to_stable_hash_key(&self, hcx: &CTX) -> DefPathHash
impl Copy for DefId
impl Eq for DefId
impl !Ord for DefId
impl !PartialOrd for DefId
impl StructuralPartialEq for DefId
Auto Trait Implementations§
impl DynSend for DefId
impl DynSync for DefId
impl Freeze for DefId
impl RefUnwindSafe for DefId
impl Send for DefId
impl Sync for DefId
impl Unpin for DefId
impl UnwindSafe for DefId
Blanket Implementations§
source§impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,
impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,
fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T
fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'a mut [T]
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> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.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<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§impl<T> Pointable for T
impl<T> Pointable for 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,
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