struct MarkUsedGenericParams<'a, 'tcx> {
tcx: TyCtxt<'tcx>,
def_id: DefId,
unused_parameters: &'a mut FiniteBitSet<u32>,
}
Expand description
Visitor used to aggregate generic parameter uses.
Fields
tcx: TyCtxt<'tcx>
def_id: DefId
unused_parameters: &'a mut FiniteBitSet<u32>
Implementations
sourceimpl<'a, 'tcx> MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> MarkUsedGenericParams<'a, 'tcx>
sourcefn visit_child_body(&mut self, def_id: DefId, substs: SubstsRef<'tcx>)
fn visit_child_body(&mut self, def_id: DefId, substs: SubstsRef<'tcx>)
Invoke unused_generic_params
on a body contained within the current item (e.g.
a closure, generator or constant).
Trait Implementations
sourceimpl<'a, 'tcx> TypeVisitor<'tcx> for MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> TypeVisitor<'tcx> for MarkUsedGenericParams<'a, 'tcx>
fn visit_const(&mut self, c: Const<'tcx>) -> ControlFlow<Self::BreakTy>
fn visit_mir_const(
&mut self,
constant: ConstantKind<'tcx>
) -> ControlFlow<Self::BreakTy>
fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<Self::BreakTy>
type BreakTy = !
fn visit_binder<T>(
&mut self,
t: &Binder<'tcx, T>
) -> ControlFlow<Self::BreakTy, ()>where
T: TypeVisitable<'tcx>,
fn visit_region(&mut self, r: Region<'tcx>) -> ControlFlow<Self::BreakTy, ()>
fn visit_unevaluated(
&mut self,
uv: Unevaluated<'tcx, Option<Promoted>>
) -> ControlFlow<Self::BreakTy, ()>
fn visit_predicate(
&mut self,
p: Predicate<'tcx>
) -> ControlFlow<Self::BreakTy, ()>
sourceimpl<'a, 'tcx> Visitor<'tcx> for MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> Visitor<'tcx> for MarkUsedGenericParams<'a, 'tcx>
fn visit_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>)
fn visit_constant(&mut self, ct: &Constant<'tcx>, location: Location)
fn visit_ty(&mut self, ty: Ty<'tcx>, _: TyContext)
fn visit_body(&mut self, body: &Body<'tcx>)
fn visit_basic_block_data(
&mut self,
block: BasicBlock,
data: &BasicBlockData<'tcx>
)
fn visit_source_scope_data(&mut self, scope_data: &SourceScopeData<'tcx>)
fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location)
fn visit_assign(
&mut self,
place: &Place<'tcx>,
rvalue: &Rvalue<'tcx>,
location: Location
)
fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location)
fn visit_assert_message(
&mut self,
msg: &AssertKind<Operand<'tcx>>,
location: Location
)
fn visit_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location)
fn visit_operand(&mut self, operand: &Operand<'tcx>, location: Location)
fn visit_ascribe_user_ty(
&mut self,
place: &Place<'tcx>,
variance: Variance,
user_ty: &UserTypeProjection,
location: Location
)
fn visit_coverage(&mut self, coverage: &Coverage, location: Location)
fn visit_retag(&mut self, kind: RetagKind, place: &Place<'tcx>, location: Location)
fn visit_place(
&mut self,
place: &Place<'tcx>,
context: PlaceContext,
location: Location
)
fn visit_projection(
&mut self,
place_ref: PlaceRef<'tcx>,
context: PlaceContext,
location: Location
)
fn visit_projection_elem(
&mut self,
local: Local,
proj_base: &[ProjectionElem<Local, Ty<'tcx>>],
elem: ProjectionElem<Local, Ty<'tcx>>,
context: PlaceContext,
location: Location
)
fn super_place(
&mut self,
place: &Place<'tcx>,
context: PlaceContext,
location: Location
)
fn super_projection(
&mut self,
place_ref: PlaceRef<'tcx>,
context: PlaceContext,
location: Location
)
fn super_projection_elem(
&mut self,
_local: Local,
_proj_base: &[ProjectionElem<Local, Ty<'tcx>>],
elem: ProjectionElem<Local, Ty<'tcx>>,
_context: PlaceContext,
location: Location
)
fn visit_span(&mut self, span: Span)
fn visit_source_info(&mut self, source_info: &SourceInfo)
fn visit_user_type_projection(&mut self, ty: &UserTypeProjection)
fn visit_user_type_annotation(
&mut self,
index: UserTypeAnnotationIndex,
ty: &CanonicalUserTypeAnnotation<'tcx>
)
fn visit_region(&mut self, region: Region<'tcx>, Location)
fn visit_substs(&mut self, substs: &&'tcx List<GenericArg<'tcx>>, Location)
fn visit_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>)
fn visit_local(
&mut self,
_local: Local,
_context: PlaceContext,
_location: Location
)
fn visit_source_scope(&mut self, scope: SourceScope)
fn super_body(&mut self, body: &Body<'tcx>)
fn super_basic_block_data(
&mut self,
block: BasicBlock,
data: &BasicBlockData<'tcx>
)
fn super_source_scope_data(&mut self, scope_data: &SourceScopeData<'tcx>)
fn super_statement(&mut self, statement: &Statement<'tcx>, location: Location)
fn super_assign(
&mut self,
place: &Place<'tcx>,
rvalue: &Rvalue<'tcx>,
location: Location
)
fn super_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location)
fn super_assert_message(
&mut self,
msg: &AssertKind<Operand<'tcx>>,
location: Location
)
fn super_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location)
fn super_operand(&mut self, operand: &Operand<'tcx>, location: Location)
fn super_ascribe_user_ty(
&mut self,
place: &Place<'tcx>,
_variance: Variance,
user_ty: &UserTypeProjection,
location: Location
)
fn super_coverage(&mut self, _coverage: &Coverage, _location: Location)
fn super_retag(
&mut self,
_kind: RetagKind,
place: &Place<'tcx>,
location: Location
)
fn super_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>)
fn super_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>)
fn super_source_scope(&mut self, _scope: SourceScope)
fn super_constant(&mut self, constant: &Constant<'tcx>, location: Location)
fn super_span(&mut self, _span: Span)
fn super_source_info(&mut self, source_info: &SourceInfo)
fn super_user_type_projection(&mut self, _ty: &UserTypeProjection)
fn super_user_type_annotation(
&mut self,
_index: UserTypeAnnotationIndex,
ty: &CanonicalUserTypeAnnotation<'tcx>
)
fn super_ty(&mut self, _ty: Ty<'tcx>)
fn super_region(&mut self, _region: Region<'tcx>)
fn super_substs(&mut self, _substs: &&'tcx List<GenericArg<'tcx>>)
fn visit_location(&mut self, body: &Body<'tcx>, location: Location)
Auto Trait Implementations
impl<'a, 'tcx> !RefUnwindSafe for MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> !Send for MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> !Sync for MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> Unpin for MarkUsedGenericParams<'a, 'tcx>
impl<'a, 'tcx> !UnwindSafe for MarkUsedGenericParams<'a, 'tcx>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
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: 24 bytes