996             let ahead = input.fork();  in parse()  localVariable
997             let vis: Visibility = ahead.parse()?;  in parse()
999             let lookahead = ahead.lookahead1();  in parse()
1000             let mut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead) {  in parse()
1010                 ahead.parse::<Token![extern]>()?;  in parse()
1011                 let lookahead = ahead.lookahead1();  in parse()
1017                     ahead.parse::<LitStr>()?;  in parse()
1018                     let lookahead = ahead.lookahead1();  in parse()
1061                 ahead.parse::<Token![const]>()?;  in parse()
1062                 let lookahead = ahead.lookahead1();  in parse()
1096                 ahead.parse::<Token![unsafe]>()?;  in parse()
1097                 let lookahead = ahead.lookahead1();  in parse()
1099                     || lookahead.peek(Token![auto]) && ahead.peek2(Token![trait])  in parse()
1132             } else if lookahead.peek(Token![union]) && ahead.peek2(Ident) {  in parse()
1136             } else if lookahead.peek(Token![auto]) && ahead.peek2(Token![trait]) {  in parse()
1139                 || lookahead.peek(Token![default]) && !ahead.peek2(Token![!])  in parse()
1157             } else if ahead.peek(macro_rules) {  in parse()
1158                 input.advance_to(&ahead);  in parse()
1558             let ahead = input.fork();  in parse()  localVariable
1559             if let Ok(mut receiver) = ahead.parse::<Receiver>() {  in parse()
1560                 if !ahead.peek(Token![:]) {  in parse()
1561                     input.advance_to(&ahead);  in parse()
1739             let ahead = input.fork();  in parse()  localVariable
1740             let vis: Visibility = ahead.parse()?;  in parse()
1742             let lookahead = ahead.lookahead1();  in parse()
1743             let mut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead) {  in parse()
2245             let ahead = input.fork();  in parse()  localVariable
2247             let lookahead = ahead.lookahead1();  in parse()
2248             let mut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead) {  in parse()
2251                 ahead.parse::<Token![const]>()?;  in parse()
2252                 let lookahead = ahead.lookahead1();  in parse()
2557             let ahead = input.fork();  in parse()  localVariable
2558             let vis: Visibility = ahead.parse()?;  in parse()
2560             let mut lookahead = ahead.lookahead1();  in parse()
2561             let defaultness = if lookahead.peek(Token![default]) && !ahead.peek2(Token![!]) {  in parse()
2562                 let defaultness: Token![default] = ahead.parse()?;  in parse()
2563                 lookahead = ahead.lookahead1();  in parse()
2569             let mut item = if lookahead.peek(Token![fn]) || peek_signature(&ahead) {  in parse()
2572                 let const_token: Token![const] = ahead.parse()?;  in parse()
2573                 let lookahead = ahead.lookahead1();  in parse()
2575                     input.advance_to(&ahead);  in parse()