Enum rustc_ap_rustc_ast::ast::TraitBoundModifier

pub enum TraitBoundModifier {
    None,
    Maybe,
    MaybeConst,
    MaybeConstMaybe,
}

A modifier on a bound, e.g., ?Sized or ?const Trait.

Negative bounds should also be handled here.

Variants

None

No modifiers

Maybe

?Trait

MaybeConst

?const Trait

MaybeConstMaybe

?const ?Trait

Trait Implementations

impl Clone for TraitBoundModifier

fn clone(&self) -> TraitBoundModifier

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for TraitBoundModifier

impl Debug for TraitBoundModifier

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

Formats the value using the given formatter.

impl<__D: Decoder> Decodable<__D> for TraitBoundModifier

fn decode(__decoder: &mut __D) -> Result<Self, <__D as Decoder>::Error>

impl<__E: Encoder> Encodable<__E> for TraitBoundModifier

fn encode(&self, __encoder: &mut __E) -> Result<(), <__E as Encoder>::Error>

impl Eq for TraitBoundModifier

impl PartialEq<TraitBoundModifier> for TraitBoundModifier

fn eq(&self, other: &TraitBoundModifier) -> bool

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for TraitBoundModifier

impl StructuralPartialEq for TraitBoundModifier