pub struct Paren<T> { /* private fields */ }
Expand description
Parses a subexpression inside parentheses.
let answer: Paren<LitInt> = parse_quote!{ (42) };
assert_eq!(answer.into_inner(), LitInt::from(42));
ⓘ
let answer: Paren<LitInt> = parse_quote!{ 42 };
let answer: Paren<LitInt> = LitInt::from(43).into();
assert_eq!(
answer.to_token_stream().to_string(),
quote::quote!{(43)}.to_string(),
);
Implementations
Trait Implementations
sourceimpl<T: ToTokens> ToTokens for Paren<T>
impl<T: ToTokens> ToTokens for Paren<T>
sourcefn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
Write self
to the given TokenStream
. Read more
sourcefn to_token_stream(&self) -> TokenStream
fn to_token_stream(&self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
sourcefn into_token_stream(self) -> TokenStream
fn into_token_stream(self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
impl<T: Copy> Copy for Paren<T>
impl<T: Eq> Eq for Paren<T>
impl<T> StructuralEq for Paren<T>
impl<T> StructuralPartialEq for Paren<T>
Auto Trait Implementations
impl<T> RefUnwindSafe for Paren<T> where
T: RefUnwindSafe,
impl<T> !Send for Paren<T>
impl<T> !Sync for Paren<T>
impl<T> Unpin for Paren<T> where
T: Unpin,
impl<T> UnwindSafe for Paren<T> where
T: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Spanned for T where
T: Spanned + ?Sized,
impl<T> Spanned for T where
T: Spanned + ?Sized,
sourcefn 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. Read more