Enum syn::TraitBoundModifier

pub enum TraitBoundModifier {
    None,
    Maybe,
}

A modifier on a bound, currently this is only used for ?Sized, where the modifier is Maybe. Negative bounds should also be handled here.

Variants

NoneMaybe

Trait Implementations

impl Debug for TraitBoundModifier

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Copy for TraitBoundModifier

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 Eq for TraitBoundModifier

impl PartialEq for TraitBoundModifier

fn eq(&self, __arg_0: &TraitBoundModifier) -> bool

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

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Hash for TraitBoundModifier

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

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].