192 use proc_macro2::{Delimiter, Group, Literal, Punct, Span, TokenStream, TokenTree};
403     Some(Span, Delimiter),
432 fn inner_unexpected(buffer: &ParseBuffer) -> (Rc<Cell<Unexpected>>, Option<(Span, Delimiter)>) {  in inner_unexpected()  argument
447 fn span_of_unexpected_ignoring_nones(mut cursor: Cursor) -> Option<(Span, Delimiter)> {  in span_of_unexpected_ignoring_nones()  argument
451     while let Some((inner, _span, rest)) = cursor.group(Delimiter::None) {  in span_of_unexpected_ignoring_nones()
1207                 if group.delimiter() != Delimiter::None {  in parse()
1329 fn err_unexpected_token(span: Span, delimiter: Delimiter) -> Error {  in err_unexpected_token()
1331         Delimiter::Parenthesis => "unexpected token, expected `)`",  in err_unexpected_token()
1332         Delimiter::Brace => "unexpected token, expected `}`",  in err_unexpected_token()
1333         Delimiter::Bracket => "unexpected token, expected `]`",  in err_unexpected_token()
1334         Delimiter::None => "unexpected token",  in err_unexpected_token()