Enum rustc_hir::WherePredicate

pub enum WherePredicate<'hir> {
    BoundPredicate(WhereBoundPredicate<'hir>),
    RegionPredicate(WhereRegionPredicate<'hir>),
    EqPredicate(WhereEqPredicate<'hir>),
}

A single predicate in a where-clause.

Variants

BoundPredicate(WhereBoundPredicate<'hir>)

Tuple Fields

0: WhereBoundPredicate<'hir>

A type binding (e.g., for<'c> Foo: Send + Clone + 'c).

RegionPredicate(WhereRegionPredicate<'hir>)

Tuple Fields

0: WhereRegionPredicate<'hir>

A lifetime predicate (e.g., 'a: 'b + 'c).

EqPredicate(WhereEqPredicate<'hir>)

Tuple Fields

0: WhereEqPredicate<'hir>

An equality predicate (unsupported).

Implementations

impl<'hir> WherePredicate<'hir>

pub fn span(&self) -> Span

Trait Implementations

impl<'hir> Debug for WherePredicate<'hir>

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

Formats the value using the given formatter.

impl<'hir, __CTX> HashStable<__CTX> for WherePredicate<'hir> where
    __CTX: HashStableContext, 

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

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: 72 bytes

Size for each variant:

• BoundPredicate: 48 bytes
• RegionPredicate: 64 bytes
• EqPredicate: 32 bytes