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Preserve None-delimited groups inside format args

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David Tolnay 2024-10-31 21:02:21 -07:00
parent d1a8254ee5
commit 2b16098823
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1 changed files with 7 additions and 0 deletions
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7
impl/src/attr.rs
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@ -142,6 +142,13 @@ fn parse_error_attribute<'a>(attrs: &mut Attrs<'a>, attr: &'a Attribute) -> Resu
fn parse_token_expr(input: ParseStream, mut begin_expr: bool) -> Result<TokenStream> {
let mut tokens = Vec::new();
while !input.is_empty() {
if input.peek(token::Group) {
let group: TokenTree = input.parse()?;
tokens.push(group);
begin_expr = false;
continue;
}
if begin_expr && input.peek(Token![.]) {
if input.peek2(Ident) {
input.parse::<Token![.]>()?;