3 use proc_macro::{Delimiter, Group, Ident, Spacing, Span, TokenTree};
5 fn concat(tokens: &[TokenTree], group_span: Span) -> TokenTree {  in concat()  argument
12             Some(TokenTree::Literal(lit)) => segments.push((lit.to_string(), lit.span())),  in concat()
13             Some(TokenTree::Ident(ident)) => {  in concat()
20             Some(TokenTree::Punct(p)) if p.as_char() == ':' => {  in concat()
21                 let Some(TokenTree::Ident(ident)) = tokens.next() else {  in concat()
46     TokenTree::Ident(Ident::new(&pasted, span.unwrap_or(group_span)))  in concat()
49 pub(crate) fn expand(tokens: &mut Vec<TokenTree>) {  in expand()  argument
51         if let TokenTree::Group(group) = token {  in expand()
58                 && matches!(&stream[0], TokenTree::Punct(p) if p.as_char() == '<')  in expand()
59                 && matches!(&stream[stream.len() - 1], TokenTree::Punct(p) if p.as_char() == '>')  in expand()
68                 *token = TokenTree::Group(group);  in expand()
78             (TokenTree::Punct(a), TokenTree::Punct(b))  in expand()
82                 TokenTree::Group(group) if group.delimiter() == Delimiter::None => {  in expand()
89                 TokenTree::Group(group) if group.delimiter() == Delimiter::None => {  in expand()