Struct rustc_expand::base::DummyResult
source · pub struct DummyResult {
guar: Option<ErrorGuaranteed>,
span: Span,
}
Expand description
Fill-in macro expansion result, to allow compilation to continue after hitting errors.
Fields§
§guar: Option<ErrorGuaranteed>
§span: Span
Implementations§
source§impl DummyResult
impl DummyResult
sourcepub fn any(span: Span, guar: ErrorGuaranteed) -> Box<dyn MacResult + 'static>
pub fn any(span: Span, guar: ErrorGuaranteed) -> Box<dyn MacResult + 'static>
Creates a default MacResult that can be anything.
Use this as a return value after hitting any errors and
calling span_err
.
Trait Implementations§
source§impl Clone for DummyResult
impl Clone for DummyResult
source§fn clone(&self) -> DummyResult
fn clone(&self) -> DummyResult
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 MacResult for DummyResult
impl MacResult for DummyResult
source§fn make_items(self: Box<DummyResult>) -> Option<SmallVec<[P<Item>; 1]>>
fn make_items(self: Box<DummyResult>) -> Option<SmallVec<[P<Item>; 1]>>
Creates zero or more items.
source§fn make_impl_items(
self: Box<DummyResult>,
) -> Option<SmallVec<[P<AssocItem>; 1]>>
fn make_impl_items( self: Box<DummyResult>, ) -> Option<SmallVec<[P<AssocItem>; 1]>>
Creates zero or more impl items.
source§fn make_trait_items(
self: Box<DummyResult>,
) -> Option<SmallVec<[P<AssocItem>; 1]>>
fn make_trait_items( self: Box<DummyResult>, ) -> Option<SmallVec<[P<AssocItem>; 1]>>
Creates zero or more trait items.
source§fn make_foreign_items(self: Box<Self>) -> Option<SmallVec<[P<ForeignItem>; 1]>>
fn make_foreign_items(self: Box<Self>) -> Option<SmallVec<[P<ForeignItem>; 1]>>
Creates zero or more items in an
extern {}
blocksource§fn make_stmts(self: Box<DummyResult>) -> Option<SmallVec<[Stmt; 1]>>
fn make_stmts(self: Box<DummyResult>) -> Option<SmallVec<[Stmt; 1]>>
Creates zero or more statements. Read more
fn make_ty(self: Box<DummyResult>) -> Option<P<Ty>>
fn make_arms(self: Box<DummyResult>) -> Option<SmallVec<[Arm; 1]>>
fn make_expr_fields(self: Box<DummyResult>) -> Option<SmallVec<[ExprField; 1]>>
fn make_pat_fields(self: Box<DummyResult>) -> Option<SmallVec<[PatField; 1]>>
fn make_generic_params( self: Box<DummyResult>, ) -> Option<SmallVec<[GenericParam; 1]>>
fn make_params(self: Box<DummyResult>) -> Option<SmallVec<[Param; 1]>>
fn make_field_defs(self: Box<DummyResult>) -> Option<SmallVec<[FieldDef; 1]>>
fn make_variants(self: Box<DummyResult>) -> Option<SmallVec<[Variant; 1]>>
fn make_crate(self: Box<DummyResult>) -> Option<Crate>
impl Copy for DummyResult
Auto Trait Implementations§
impl Freeze for DummyResult
impl RefUnwindSafe for DummyResult
impl !Send for DummyResult
impl !Sync for DummyResult
impl Unpin for DummyResult
impl UnwindSafe for DummyResult
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§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, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
source§impl<T> Filterable for T
impl<T> Filterable for T
source§fn filterable(
self,
filter_name: &'static str,
) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>
fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>
Creates a filterable data provider with the given name for debugging. Read more
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<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
source§impl<I, T> UpcastFrom<I, T> for T
impl<I, T> UpcastFrom<I, T> for T
fn upcast_from(from: T, _tcx: I) -> 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,
impl<T> ErasedDestructor for Twhere
T: 'static,
impl<T> MaybeSendSync for 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: 12 bytes