pub enum TraitBoundModifier {
None,
Maybe(Question),
}
Expand description
A modifier on a trait bound, currently only used for the ?
in
?Sized
.
Variants§
Trait Implementations§
source§impl Clone for TraitBoundModifier
impl Clone for TraitBoundModifier
source§impl Debug for TraitBoundModifier
impl Debug for TraitBoundModifier
source§impl Hash for TraitBoundModifier
impl Hash for TraitBoundModifier
source§impl Parse for TraitBoundModifier
impl Parse for TraitBoundModifier
fn parse(input: ParseStream<'_>) -> Result<Self>
source§impl PartialEq for TraitBoundModifier
impl PartialEq for TraitBoundModifier
source§impl ToTokens for TraitBoundModifier
impl ToTokens for TraitBoundModifier
source§fn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
source§fn to_token_stream(&self) -> TokenStream
fn to_token_stream(&self) -> TokenStream
source§fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
impl Copy for TraitBoundModifier
impl Eq for TraitBoundModifier
Auto Trait Implementations§
impl Freeze for TraitBoundModifier
impl RefUnwindSafe for TraitBoundModifier
impl !Send for TraitBoundModifier
impl !Sync for TraitBoundModifier
impl Unpin for TraitBoundModifier
impl UnwindSafe for TraitBoundModifier
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> Spanned for Twhere
T: Spanned + ?Sized,
impl<T> Spanned for Twhere
T: Spanned + ?Sized,
source§fn span(&self) -> Span
fn span(&self) -> Span
Returns a
Span
covering the complete contents of this syntax tree
node, or Span::call_site()
if this node is empty.