Struct rustc_typeck::variance::constraints::Constraint
source · [−]pub struct Constraint<'a> {
pub inferred: InferredIndex,
pub variance: &'a VarianceTerm<'a>,
}Expand description
Declares that the variable decl_id appears in a location with
variance variance.
Fields
inferred: InferredIndexvariance: &'a VarianceTerm<'a>Trait Implementations
sourceimpl<'a> Clone for Constraint<'a>
impl<'a> Clone for Constraint<'a>
sourcefn clone(&self) -> Constraint<'a>
fn clone(&self) -> Constraint<'a>
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreimpl<'a> Copy for Constraint<'a>
Auto Trait Implementations
impl<'a> RefUnwindSafe for Constraint<'a>
impl<'a> Send for Constraint<'a>
impl<'a> Sync for Constraint<'a>
impl<'a> Unpin for Constraint<'a>
impl<'a> UnwindSafe for Constraint<'a>
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
impl<'a, T> Captures<'a> for Twhere
T: ?Sized,
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: 16 bytes