pub struct TypeNever {
pub bang_token: Not,
}Available on crate features
full or derive only.Expand description
The never type: !.
Fields§
§bang_token: NotTrait Implementations§
Source§impl Parse for TypeNever
Available on crate feature parsing only.
impl Parse for TypeNever
Available on crate feature
parsing only.fn parse(input: ParseStream<'_>) -> Result<Self>
Source§impl ToTokens for TypeNever
Available on crate feature printing only.
impl ToTokens for TypeNever
Available on crate feature
printing only.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 Eq for TypeNever
Available on crate feature
extra-traits only.Auto Trait Implementations§
impl Freeze for TypeNever
impl RefUnwindSafe for TypeNever
impl !Send for TypeNever
impl !Sync for TypeNever
impl Unpin for TypeNever
impl UnwindSafe for TypeNever
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§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
Available on crate features
parsing and printing only.Returns a
Span covering the complete contents of this syntax tree
node, or Span::call_site() if this node is empty.