Enum rustc_hir::hir::MatchSource
source · pub enum MatchSource {
Normal,
Postfix,
ForLoopDesugar,
TryDesugar(HirId),
AwaitDesugar,
FormatArgs,
}
Expand description
Hints at the original code for a match _ { .. }
.
Variants§
Normal
A match _ { .. }
.
Postfix
A expr.match { .. }
.
ForLoopDesugar
A desugared for _ in _ { .. }
loop.
TryDesugar(HirId)
A desugared ?
operator.
AwaitDesugar
A desugared <expr>.await
.
FormatArgs
A desugared format_args!()
.
Implementations§
Trait Implementations§
source§impl Clone for MatchSource
impl Clone for MatchSource
source§fn clone(&self) -> MatchSource
fn clone(&self) -> MatchSource
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 MatchSource
impl Debug for MatchSource
source§impl<__D: SpanDecoder> Decodable<__D> for MatchSource
impl<__D: SpanDecoder> Decodable<__D> for MatchSource
source§impl<__E: SpanEncoder> Encodable<__E> for MatchSource
impl<__E: SpanEncoder> Encodable<__E> for MatchSource
source§impl Hash for MatchSource
impl Hash for MatchSource
source§impl<__CTX> HashStable<__CTX> for MatchSourcewhere
__CTX: HashStableContext,
impl<__CTX> HashStable<__CTX> for MatchSourcewhere
__CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
source§impl PartialEq for MatchSource
impl PartialEq for MatchSource
source§fn eq(&self, other: &MatchSource) -> bool
fn eq(&self, other: &MatchSource) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Copy for MatchSource
impl Eq for MatchSource
impl StructuralPartialEq for MatchSource
Auto Trait Implementations§
impl Freeze for MatchSource
impl RefUnwindSafe for MatchSource
impl Send for MatchSource
impl Sync for MatchSource
impl Unpin for MatchSource
impl UnwindSafe for MatchSource
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: 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<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<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> 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
Size for each variant:
Normal
: 0 bytesPostfix
: 0 bytesForLoopDesugar
: 0 bytesTryDesugar
: 8 bytesAwaitDesugar
: 0 bytesFormatArgs
: 0 bytes