Struct rustc_lint::unused::UnusedBraces
source · pub struct UnusedBraces;
Implementations§
Trait Implementations§
source§impl Clone for UnusedBraces
impl Clone for UnusedBraces
source§fn clone(&self) -> UnusedBraces
fn clone(&self) -> UnusedBraces
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 EarlyLintPass for UnusedBraces
impl EarlyLintPass for UnusedBraces
fn check_stmt(&mut self, cx: &EarlyContext<'_>, s: &Stmt)
fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &Expr)
fn check_generic_arg(&mut self, cx: &EarlyContext<'_>, arg: &GenericArg)
fn check_variant(&mut self, cx: &EarlyContext<'_>, v: &Variant)
fn check_ty(&mut self, cx: &EarlyContext<'_>, ty: &Ty)
fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item)
fn check_param(&mut self, _: &EarlyContext<'_>, _: &Param)
fn check_ident(&mut self, _: &EarlyContext<'_>, _: Ident)
fn check_crate(&mut self, _: &EarlyContext<'_>, _: &Crate)
fn check_crate_post(&mut self, _: &EarlyContext<'_>, _: &Crate)
fn check_item_post(&mut self, _: &EarlyContext<'_>, _: &Item)
fn check_local(&mut self, _: &EarlyContext<'_>, _: &Local)
fn check_block(&mut self, _: &EarlyContext<'_>, _: &Block)
fn check_arm(&mut self, _: &EarlyContext<'_>, _: &Arm)
fn check_pat(&mut self, _: &EarlyContext<'_>, _: &Pat)
fn check_pat_post(&mut self, _: &EarlyContext<'_>, _: &Pat)
fn check_expr_post(&mut self, _: &EarlyContext<'_>, _: &Expr)
fn check_generic_param(&mut self, _: &EarlyContext<'_>, _: &GenericParam)
fn check_generics(&mut self, _: &EarlyContext<'_>, _: &Generics)
fn check_poly_trait_ref(&mut self, _: &EarlyContext<'_>, _: &PolyTraitRef)
fn check_fn(&mut self, _: &EarlyContext<'_>, _: FnKind<'_>, _: Span, _: NodeId)
fn check_trait_item(&mut self, _: &EarlyContext<'_>, _: &AssocItem)
fn check_impl_item(&mut self, _: &EarlyContext<'_>, _: &AssocItem)
fn check_attribute(&mut self, _: &EarlyContext<'_>, _: &Attribute)
fn check_attributes(&mut self, _: &EarlyContext<'_>, _: &[Attribute])
fn check_attributes_post(&mut self, _: &EarlyContext<'_>, _: &[Attribute])
fn check_mac_def(&mut self, _: &EarlyContext<'_>, _: &MacroDef)
fn check_mac(&mut self, _: &EarlyContext<'_>, _: &MacCall)
fn enter_where_predicate(&mut self, _: &EarlyContext<'_>, _: &WherePredicate)
fn exit_where_predicate(&mut self, _: &EarlyContext<'_>, _: &WherePredicate)
source§impl UnusedDelimLint for UnusedBraces
impl UnusedDelimLint for UnusedBraces
const DELIM_STR: &'static str = "braces"
source§const LINT_EXPR_IN_PATTERN_MATCHING_CTX: bool = false
const LINT_EXPR_IN_PATTERN_MATCHING_CTX: bool = false
Due to
ref
pattern, there can be a difference between using
{ expr }
and expr
in pattern-matching contexts. This means
that we should only lint unused_parens
and not unused_braces
in this case. Read morefn lint(&self) -> &'static Lint
fn check_unused_delims_expr( &self, cx: &EarlyContext<'_>, value: &Expr, ctx: UnusedDelimsCtx, followed_by_block: bool, left_pos: Option<BytePos>, right_pos: Option<BytePos>, is_kw: bool, )
fn is_expr_delims_necessary( inner: &Expr, ctx: UnusedDelimsCtx, followed_by_block: bool, ) -> bool
fn emit_unused_delims_expr( &self, cx: &EarlyContext<'_>, value: &Expr, ctx: UnusedDelimsCtx, left_pos: Option<BytePos>, right_pos: Option<BytePos>, is_kw: bool, )
fn emit_unused_delims( &self, cx: &EarlyContext<'_>, value_span: Span, spans: Option<(Span, Span)>, msg: &str, keep_space: (bool, bool), is_kw: bool, )
fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &Expr)
fn check_stmt(&mut self, cx: &EarlyContext<'_>, s: &Stmt)
fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item)
impl Copy for UnusedBraces
Auto Trait Implementations§
impl Freeze for UnusedBraces
impl RefUnwindSafe for UnusedBraces
impl Send for UnusedBraces
impl Sync for UnusedBraces
impl Unpin for UnusedBraces
impl UnwindSafe for UnusedBraces
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<'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<P> IntoQueryParam<P> for P
impl<P> IntoQueryParam<P> for P
fn into_query_param(self) -> P
source§impl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
source§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<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> 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: 0 bytes