rustc_borrowck::consumers

Struct OutlivesConstraint

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pub struct OutlivesConstraint<'tcx> {
    pub sup: RegionVid,
    pub sub: RegionVid,
    pub locations: Locations,
    pub span: Span,
    pub category: ConstraintCategory<'tcx>,
    pub variance_info: VarianceDiagInfo<TyCtxt<'tcx>>,
    pub from_closure: bool,
}

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§sup: RegionVid

The region SUP must outlive SUB…

§sub: RegionVid

Region that must be outlived.

§locations: Locations

Where did this constraint arise?

§span: Span

The Span associated with the creation of this constraint. This should be used in preference to obtaining the span from locations, since the locations may give a poor span in some cases (e.g. converting a constraint from a promoted).

§category: ConstraintCategory<'tcx>

What caused this constraint?

§variance_info: VarianceDiagInfo<TyCtxt<'tcx>>

Variance diagnostic information

§from_closure: bool

If this constraint is promoted from closure requirements.

Trait Implementations§

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impl<'tcx> Clone for OutlivesConstraint<'tcx>

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fn clone(&self) -> OutlivesConstraint<'tcx>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'tcx> Debug for OutlivesConstraint<'tcx>

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

Formats the value using the given formatter. Read more
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impl<'tcx> PartialEq for OutlivesConstraint<'tcx>

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fn eq(&self, other: &OutlivesConstraint<'tcx>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'tcx> Copy for OutlivesConstraint<'tcx>

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impl<'tcx> Eq for OutlivesConstraint<'tcx>

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impl<'tcx> StructuralPartialEq for OutlivesConstraint<'tcx>

Auto Trait Implementations§

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impl<'tcx> DynSend for OutlivesConstraint<'tcx>

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impl<'tcx> DynSync for OutlivesConstraint<'tcx>

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impl<'tcx> Freeze for OutlivesConstraint<'tcx>

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impl<'tcx> !RefUnwindSafe for OutlivesConstraint<'tcx>

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impl<'tcx> Send for OutlivesConstraint<'tcx>

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impl<'tcx> Sync for OutlivesConstraint<'tcx>

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impl<'tcx> Unpin for OutlivesConstraint<'tcx>

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impl<'tcx> !UnwindSafe for OutlivesConstraint<'tcx>

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> AnyEq for T
where T: Any + PartialEq,

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fn equals(&self, other: &(dyn Any + 'static)) -> bool

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fn as_any(&self) -> &(dyn Any + 'static)

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on(self, arena: &'tcx Arena<'tcx>) -> &'tcx mut T

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fn allocate_from_iter( arena: &'tcx Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'tcx mut [T]

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on(self, arena: &'tcx Arena<'tcx>) -> &'tcx mut T

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fn allocate_from_iter( arena: &'tcx Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'tcx mut [T]

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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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Calls U::from(self).

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

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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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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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type Error = !

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const ALIGN: usize

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

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where S: Into<Dispatch>,

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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: 72 bytes