pub enum UseKind {
Single(Ident),
Glob,
ListStem,
}
Variants§
Single(Ident)
One import, e.g., use foo::bar
or use foo::bar as baz
.
Also produced for each element of a list use
, e.g.
use foo::{a, b}
lowers to use foo::a; use foo::b;
.
The identifier is the name defined by the import. E.g. for use foo::bar
it is bar
, for use foo::bar as baz
it is baz
.
Glob
Glob import, e.g., use foo::*
.
ListStem
Degenerate list import, e.g., use foo::{a, b}
produces
an additional use foo::{}
for performing checks such as
unstable feature gating. May be removed in the future.
Trait Implementations§
Source§impl<__CTX> HashStable<__CTX> for UseKindwhere
__CTX: HashStableContext,
impl<__CTX> HashStable<__CTX> for UseKindwhere
__CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
impl Copy for UseKind
impl StructuralPartialEq for UseKind
Auto Trait Implementations§
impl DynSend for UseKind
impl DynSync for UseKind
impl Freeze for UseKind
impl RefUnwindSafe for UseKind
impl Send for UseKind
impl Sync for UseKind
impl Unpin for UseKind
impl UnwindSafe for UseKind
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(self, arena: &'tcx Arena<'tcx>) -> &'tcx mut T
fn allocate_from_iter( arena: &'tcx Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'tcx 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
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
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>
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>
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>
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: 12 bytes
Size for each variant:
Single
: 12 bytesGlob
: 0 bytesListStem
: 0 bytes