Struct rustc::ty::ExistentialBounds [−] [src]

pub struct ExistentialBounds<'tcx> {
    pub region_bound: Region,
    pub builtin_bounds: BuiltinBounds,
    pub projection_bounds: Vec<PolyProjectionPredicate<'tcx>>,
}
Unstable (rustc_private)

Bounds suitable for an existentially quantified type parameter such as those that appear in object types or closure types.

Fields

region_bound: Region
Unstable (rustc_private)
builtin_bounds: BuiltinBounds
Unstable (rustc_private)
projection_bounds: Vec<PolyProjectionPredicate<'tcx>>
Unstable (rustc_private)

Methods

impl<'tcx> ExistentialBounds<'tcx>
[src]

fn new(region_bound: Region, builtin_bounds: BuiltinBounds, projection_bounds: Vec<PolyProjectionPredicate<'tcx>>) -> Self

Trait Implementations

impl<'tcx> Relate<'tcx> for ExistentialBounds<'tcx>
[src]

fn relate<'a, 'gcx, R>(relation: &mut R, a: &ExistentialBounds<'tcx>, b: &ExistentialBounds<'tcx>) -> RelateResult<'tcx, ExistentialBounds<'tcx>> where R: TypeRelation<'a, 'gcx, 'tcx>, 'gcx: 'a + 'tcx, 'tcx: 'a

impl<'tcx> TypeFoldable<'tcx> for ExistentialBounds<'tcx>
[src]

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, folder: &mut F) -> Self

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, folder: &mut F) -> Self

fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

fn has_regions_escaping_depth(&self, depth: u32) -> bool

fn has_escaping_regions(&self) -> bool

fn has_type_flags(&self, flags: TypeFlags) -> bool

fn has_projection_types(&self) -> bool

fn references_error(&self) -> bool

fn has_param_types(&self) -> bool

fn has_self_ty(&self) -> bool

fn has_infer_types(&self) -> bool

fn needs_infer(&self) -> bool

fn needs_subst(&self) -> bool

fn has_closure_types(&self) -> bool

fn has_erasable_regions(&self) -> bool

fn is_global(&self) -> bool

Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Errs on the side of returning false. Read more

impl<'tcx> Debug for ExistentialBounds<'tcx>
[src]

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

Formats the value using the given formatter.

Derived Implementations

impl<'tcx> Clone for ExistentialBounds<'tcx>
[src]

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

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)
1.0.0

Performs copy-assignment from source. Read more

impl<'tcx> Hash for ExistentialBounds<'tcx>
[src]

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the state given, updating the hasher as necessary.

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher
1.3.0

Feeds a slice of this type into the state provided.

impl<'tcx> Eq for ExistentialBounds<'tcx>
[src]

impl<'tcx> PartialEq for ExistentialBounds<'tcx>
[src]

fn eq(&self, __arg_0: &ExistentialBounds<'tcx>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, __arg_0: &ExistentialBounds<'tcx>) -> bool

This method tests for !=.