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 TokenStream)

Write self to the given TokenStream.

fn into_token_stream(self) -> TokenStream

Convert self directly into a TokenStream object.

impl Copy for TraitBoundModifier

impl Debug for TraitBoundModifier

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

Formats the value using the given formatter.

impl Eq for TraitBoundModifier

impl PartialEq for TraitBoundModifier

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

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

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

This method tests for !=.

impl Hash for TraitBoundModifier

fn hash<__H: Hasher>(&self, state: &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].

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.