pub struct TypeNever {
pub bang_token: Bang,
}Available on crate features
full or derive only.Expand description
The never type: !.
This type is available only if Syn is built with the "derive" or
"full" feature.
Fields§
§bang_token: BangTrait 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,
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.