Struct rustc_resolve::diagnostics::UsePlacementFinder

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struct UsePlacementFinder {
    target_module: NodeId,
    first_legal_span: Option<Span>,
    first_use_span: Option<Span>,
}

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§target_module: NodeId§first_legal_span: Option<Span>§first_use_span: Option<Span>

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impl UsePlacementFinder

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fn check(krate: &Crate, target_module: NodeId) -> (Option<Span>, FoundUse)

Trait Implementations§

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impl Debug for UsePlacementFinder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'tcx> Visitor<'tcx> for UsePlacementFinder

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fn visit_crate(&mut self, c: &Crate)

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fn visit_item(&mut self, item: &'tcx Item)

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type Result = ()

The result type of the visit_* methods. Can be either (), or ControlFlow<T>.
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fn visit_ident(&mut self, _ident: Ident) -> Self::Result

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fn visit_foreign_item(&mut self, i: &'ast Item<ForeignItemKind>) -> Self::Result

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fn visit_local(&mut self, l: &'ast Local) -> Self::Result

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fn visit_block(&mut self, b: &'ast Block) -> Self::Result

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fn visit_stmt(&mut self, s: &'ast Stmt) -> Self::Result

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fn visit_param(&mut self, param: &'ast Param) -> Self::Result

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fn visit_arm(&mut self, a: &'ast Arm) -> Self::Result

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fn visit_pat(&mut self, p: &'ast Pat) -> Self::Result

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fn visit_anon_const(&mut self, c: &'ast AnonConst) -> Self::Result

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fn visit_expr(&mut self, ex: &'ast Expr) -> Self::Result

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fn visit_method_receiver_expr(&mut self, ex: &'ast Expr) -> Self::Result

This method is a hack to workaround unstable of stmt_expr_attributes. It can be removed once that feature is stabilized.
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fn visit_expr_post(&mut self, _ex: &'ast Expr) -> Self::Result

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fn visit_ty(&mut self, t: &'ast Ty) -> Self::Result

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fn visit_generic_param(&mut self, param: &'ast GenericParam) -> Self::Result

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fn visit_generics(&mut self, g: &'ast Generics) -> Self::Result

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fn visit_closure_binder(&mut self, b: &'ast ClosureBinder) -> Self::Result

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fn visit_where_predicate(&mut self, p: &'ast WherePredicate) -> Self::Result

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fn visit_fn(&mut self, fk: FnKind<'ast>, _: Span, _: NodeId) -> Self::Result

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fn visit_assoc_item( &mut self, i: &'ast Item<AssocItemKind>, ctxt: AssocCtxt ) -> Self::Result

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fn visit_trait_ref(&mut self, t: &'ast TraitRef) -> Self::Result

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fn visit_param_bound( &mut self, bounds: &'ast GenericBound, _ctxt: BoundKind ) -> Self::Result

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fn visit_precise_capturing_arg(&mut self, arg: &'ast PreciseCapturingArg)

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fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef) -> Self::Result

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fn visit_variant_data(&mut self, s: &'ast VariantData) -> Self::Result

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fn visit_field_def(&mut self, s: &'ast FieldDef) -> Self::Result

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fn visit_enum_def(&mut self, enum_definition: &'ast EnumDef) -> Self::Result

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fn visit_variant(&mut self, v: &'ast Variant) -> Self::Result

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fn visit_variant_discr(&mut self, discr: &'ast AnonConst) -> Self::Result

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fn visit_label(&mut self, label: &'ast Label) -> Self::Result

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fn visit_lifetime( &mut self, lifetime: &'ast Lifetime, _: LifetimeCtxt ) -> Self::Result

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fn visit_mac_call(&mut self, mac: &'ast MacCall) -> Self::Result

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fn visit_mac_def(&mut self, _mac: &'ast MacroDef, _id: NodeId) -> Self::Result

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fn visit_path(&mut self, path: &'ast Path, _id: NodeId) -> Self::Result

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fn visit_use_tree( &mut self, use_tree: &'ast UseTree, id: NodeId, _nested: bool ) -> Self::Result

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fn visit_path_segment( &mut self, path_segment: &'ast PathSegment ) -> Self::Result

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fn visit_generic_args( &mut self, generic_args: &'ast GenericArgs ) -> Self::Result

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fn visit_generic_arg(&mut self, generic_arg: &'ast GenericArg) -> Self::Result

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fn visit_assoc_constraint( &mut self, constraint: &'ast AssocConstraint ) -> Self::Result

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fn visit_attribute(&mut self, attr: &'ast Attribute) -> Self::Result

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fn visit_vis(&mut self, vis: &'ast Visibility) -> Self::Result

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fn visit_fn_ret_ty(&mut self, ret_ty: &'ast FnRetTy) -> Self::Result

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fn visit_fn_header(&mut self, _header: &'ast FnHeader) -> Self::Result

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fn visit_expr_field(&mut self, f: &'ast ExprField) -> Self::Result

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fn visit_pat_field(&mut self, fp: &'ast PatField) -> Self::Result

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fn visit_inline_asm(&mut self, asm: &'ast InlineAsm) -> Self::Result

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fn visit_format_args(&mut self, fmt: &'ast FormatArgs) -> Self::Result

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fn visit_inline_asm_sym(&mut self, sym: &'ast InlineAsmSym) -> Self::Result

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fn visit_capture_by(&mut self, _capture_by: &'ast CaptureBy) -> Self::Result

Auto Trait Implementations§

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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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

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unsafe fn deref<'a>(ptr: usize) -> &'a T

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

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unsafe fn drop(ptr: usize)

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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
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type Error = Infallible

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where U: TryFrom<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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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>,

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fn with_current_subscriber(self) -> WithDispatch<Self>

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impl<'a, T> Captures<'a> for T
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T
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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: 28 bytes