Enum syn::TraitBoundModifier

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

Available on crate features full or derive only.

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

Variants

None

Maybe(Question)

Trait Implementations

impl Clone for TraitBoundModifier

Available on crate feature clone-impls only.

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Parse for TraitBoundModifier

Available on crate feature parsing only.

fn parse(input: ParseStream<'_>) -> Result<Self>

impl ToTokens for TraitBoundModifier

Available on crate feature printing only.

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

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream

where Self: Sized,

Convert self directly into a TokenStream object.

impl Copy for TraitBoundModifier

Available on crate feature clone-impls only.