# Struct rustc_mir_transform::nrvo::IsReturnPlaceRead

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    struct IsReturnPlaceRead(bool);

## Tuple Fields§

§`0: bool`

## Implementations§

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### impl IsReturnPlaceRead

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#### fn run(body: &Body<'_>) -> bool

## Trait Implementations§

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### impl<'tcx> Visitor<'tcx> for IsReturnPlaceRead

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#### fn visit_local(&mut self, l: Local, ctxt: PlaceContext, _: Location)

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#### fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, loc: Location)

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#### fn visit_body(&mut self, body: &Body<'tcx>)

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#### fn visit_basic_block_data( &mut self, block: BasicBlock, data: &BasicBlockData<'tcx>, )

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#### fn visit_source_scope_data(&mut self, scope_data: &SourceScopeData<'tcx>)

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#### fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location)

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#### fn visit_assign( &mut self, place: &Place<'tcx>, rvalue: &Rvalue<'tcx>, location: Location, )

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#### fn visit_assert_message( &mut self, msg: &AssertKind<Operand<'tcx>>, location: Location, )

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#### fn visit_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location)

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#### fn visit_operand(&mut self, operand: &Operand<'tcx>, location: Location)

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#### fn visit_ascribe_user_ty( &mut self, place: &Place<'tcx>, variance: Variance, user_ty: &UserTypeProjection, location: Location, )

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#### fn visit_coverage(&mut self, kind: &CoverageKind, location: Location)

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#### fn visit_retag( &mut self, kind: RetagKind, place: &Place<'tcx>, location: Location, )

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#### fn visit_place( &mut self, place: &Place<'tcx>, context: PlaceContext, location: Location, )

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#### fn visit_projection( &mut self, place_ref: PlaceRef<'tcx>, context: PlaceContext, location: Location, )

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#### fn visit_projection_elem( &mut self, place_ref: PlaceRef<'tcx>, elem: ProjectionElem<Local, Ty<'tcx>>, context: PlaceContext, location: Location, )

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#### fn super_place( &mut self, place: &Place<'tcx>, context: PlaceContext, location: Location, )

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#### fn super_projection( &mut self, place_ref: PlaceRef<'tcx>, context: PlaceContext, location: Location, )

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#### fn super_projection_elem( &mut self, _place_ref: PlaceRef<'tcx>, elem: ProjectionElem<Local, Ty<'tcx>>, _context: PlaceContext, location: Location, )

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#### fn visit_const_operand( &mut self, constant: &ConstOperand<'tcx>, location: Location, )

This is called for every constant in the MIR body and every `required_consts` (i.e., including consts that have been dead-code-eliminated).
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#### fn visit_ty_const(&mut self, ct: Const<'tcx>, location: Location)

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#### fn visit_span(&mut self, span: Span)

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#### fn visit_source_info(&mut self, source_info: &SourceInfo)

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#### fn visit_ty(&mut self, ty: Ty<'tcx>, _: TyContext)

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#### fn visit_user_type_projection(&mut self, ty: &UserTypeProjection)

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#### fn visit_user_type_annotation( &mut self, index: UserTypeAnnotationIndex, ty: &CanonicalUserTypeAnnotation<'tcx>, )

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#### fn visit_region(&mut self, region: Region<'tcx>, _: Location)

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#### fn visit_args( &mut self, args: &&'tcx RawList<(), GenericArg<'tcx>>, _: Location, )

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#### fn visit_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>)

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#### fn visit_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>)

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#### fn visit_source_scope(&mut self, scope: SourceScope)

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#### fn super_body(&mut self, body: &Body<'tcx>)

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#### fn super_basic_block_data( &mut self, block: BasicBlock, data: &BasicBlockData<'tcx>, )

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#### fn super_source_scope_data(&mut self, scope_data: &SourceScopeData<'tcx>)

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#### fn super_statement(&mut self, statement: &Statement<'tcx>, location: Location)

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#### fn super_assign( &mut self, place: &Place<'tcx>, rvalue: &Rvalue<'tcx>, location: Location, )

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#### fn super_terminator( &mut self, terminator: &Terminator<'tcx>, location: Location, )

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#### fn super_assert_message( &mut self, msg: &AssertKind<Operand<'tcx>>, location: Location, )

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#### fn super_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location)

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#### fn super_operand(&mut self, operand: &Operand<'tcx>, location: Location)

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#### fn super_ascribe_user_ty( &mut self, place: &Place<'tcx>, variance: Variance, user_ty: &UserTypeProjection, location: Location, )

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#### fn super_coverage(&mut self, _kind: &CoverageKind, _location: Location)

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#### fn super_retag( &mut self, _kind: RetagKind, place: &Place<'tcx>, location: Location, )

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#### fn super_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>)

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#### fn super_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>)

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#### fn super_source_scope(&mut self, _scope: SourceScope)

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#### fn super_const_operand( &mut self, constant: &ConstOperand<'tcx>, location: Location, )

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#### fn super_ty_const(&mut self, _ct: Const<'tcx>, _location: Location)

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#### fn super_span(&mut self, _span: Span)

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#### fn super_source_info(&mut self, source_info: &SourceInfo)

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#### fn super_user_type_projection(&mut self, _ty: &UserTypeProjection)

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#### fn super_user_type_annotation( &mut self, _index: UserTypeAnnotationIndex, ty: &CanonicalUserTypeAnnotation<'tcx>, )

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#### fn super_ty(&mut self, _ty: Ty<'tcx>)

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#### fn super_region(&mut self, _region: Region<'tcx>)

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#### fn super_args(&mut self, _args: &&'tcx RawList<(), GenericArg<'tcx>>)

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#### fn visit_location(&mut self, body: &Body<'tcx>, location: Location)

## Auto Trait Implementations§

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### impl DynSend for IsReturnPlaceRead

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### impl DynSync for IsReturnPlaceRead

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### impl Freeze for IsReturnPlaceRead

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### impl RefUnwindSafe for IsReturnPlaceRead

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### impl Send for IsReturnPlaceRead

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### impl Sync for IsReturnPlaceRead

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### impl Unpin for IsReturnPlaceRead

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### impl UnwindSafe for IsReturnPlaceRead

## Blanket Implementations§

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### impl<T> Aligned for T

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#### const ALIGN: Alignment = _

Alignment of `Self`.
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### impl<T> Any for T
where T: 'static + ?Sized,

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#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more
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### impl<T> Borrow<T> for T
where T: ?Sized,

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#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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### impl<T> BorrowMut<T> for T
where T: ?Sized,

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#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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### impl<T, R> CollectAndApply<T, R> for T

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#### fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to `f(&iter.collect::<Vec<_>>())`.

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#### type Output = R

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### impl<T> Filterable for T

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#### 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
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### impl<T> From<T> for T

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#### fn from(t: T) -> T

Returns the argument unchanged.

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### impl<T> Instrument for T

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#### fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided `Span`, returning an `Instrumented` wrapper. Read more
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#### fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more
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### impl<T, U> Into<U> for T
where U: From<T>,

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#### fn into(self) -> U

Calls `U::from(self)`.

That is, this conversion is whatever the implementation of `From<T> for U` chooses to do.

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### impl<T> IntoEither for T

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#### 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 more
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#### fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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 more
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### impl<P> IntoQueryParam<P> for P

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#### fn into_query_param(self) -> P

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### impl<T> MaybeResult<T> for T

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#### type Error = !

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#### fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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#### fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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### impl<T> Pointable for T

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#### const ALIGN: usize = _

The alignment of pointer.
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#### type Init = T

The type for initializers.
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#### unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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#### unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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#### unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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#### unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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### impl<T> Same for T

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#### type Output = T

Should always be `Self`
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### impl<T, U> TryFrom<U> for T
where U: Into<T>,

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#### type Error = Infallible

The type returned in the event of a conversion error.
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#### fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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### impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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### impl<I, T, U> Upcast<I, U> for T
where U: UpcastFrom<I, T>,

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#### fn upcast(self, interner: I) -> U

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### impl<I, T> UpcastFrom<I, T> for T

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#### fn upcast_from(from: T, _tcx: I) -> T

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### impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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#### fn vzip(self) -> V

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### impl<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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#### default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

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### impl<T> WithSubscriber for T

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#### fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided `Subscriber` to this type, returning a `WithDispatch` wrapper. Read more
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#### fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default `Subscriber` to this type, returning a `WithDispatch` wrapper. Read more
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### impl<'a, T> Captures<'a> for T
where T: ?Sized,

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### impl<'a, T> Captures<'a> for T
where T: ?Sized,

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### impl<T> ErasedDestructor for T
where T: 'static,

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### impl<T> MaybeSendSync for T
where T: Send + Sync,

## 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: 1 byte