Enum 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>)

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

RegionPredicate(WhereRegionPredicate<'hir>)

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

EqPredicate(WhereEqPredicate<'hir>)

An equality predicate (unsupported).

Implementations

impl<'hir> WherePredicate<'hir>

pub fn span(&self) -> Span

pub fn in_where_clause(&self) -> bool

pub fn bounds(&self) -> GenericBounds<'hir>

Trait Implementations

impl<'hir> Clone for WherePredicate<'hir>

fn clone(&self) -> WherePredicate<'hir>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

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)

impl<'hir> Copy for WherePredicate<'hir>

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: 64 bytes

Size for each variant:

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