pub struct Brace<T> { /* private fields */ }
Expand description
Parses a subexpression inside curly braces.
#[derive(PartialEq, Eq, Debug, Parse)]
struct KeyValue {
key: LitStr,
eq: Token![=],
value: Lit,
}
let map: Brace<KeyValue> = parse_quote!({ "age" = 27 });
let key_value: KeyValue = parse_quote!("age" = 27);
assert_eq!(map.into_inner(), key_value);
ⓘ
let set: Brace<Ident> = parse_quote!(my_ident);
let block: Brace<LitBool> = LitBool::from(false).into();
assert_eq!(
block.to_token_stream().to_string(),
quote::quote!({ false }).to_string(),
);
Implementations
Trait Implementations
sourceimpl<T: ToTokens> ToTokens for Brace<T>
impl<T: ToTokens> ToTokens for Brace<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 Brace<T>
impl<T: Eq> Eq for Brace<T>
impl<T> StructuralEq for Brace<T>
impl<T> StructuralPartialEq for Brace<T>
Auto Trait Implementations
impl<T> RefUnwindSafe for Brace<T> where
T: RefUnwindSafe,
impl<T> !Send for Brace<T>
impl<T> !Sync for Brace<T>
impl<T> Unpin for Brace<T> where
T: Unpin,
impl<T> UnwindSafe for Brace<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> FormatSpan for T where
T: Spanned + ?Sized,
impl<T> FormatSpan for T where
T: Spanned + ?Sized,
fn format_span(&self) -> SpanDisplay
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