Enum syn::TraitBoundModifier

pub enum TraitBoundModifier {
    None,
    Maybe(Question),
}

A modifier on a trait bound, currently only used for the ? in ?Sized.

This type is available if Syn is built with the "derive" or "full" feature.

Variants

NoneMaybe(Question)

Trait Implementations

impl Synom for TraitBoundModifier

fn parse(i: Cursor) -> PResult<Self>

fn description() -> Option<&'static str>

A short name of the type being parsed.

impl ToTokens for TraitBoundModifier

fn to_tokens(&self, tokens: &mut Tokens)

Write self to the given Tokens.

fn into_tokens(self) -> Tokens

Convert self directly into a Tokens object.

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.