329                     && (ahead.peek(Token![::])  in parse()
330                         || ahead.peek(Token![!])  in parse()
331                         || ahead.peek(token::Brace)  in parse()
332                         || ahead.peek(token::Paren)  in parse()
333                         || ahead.peek(Token![..])  in parse()
335                             && !(ahead.is_empty() || ahead.peek(Token![,])))  in parse()
338                 ahead.parse::<Option<Token![self]>>()?.is_some() && ahead.peek(Token![::])  in parse()
339             } || lookahead.peek(Token![::])  in parse()
340                 || lookahead.peek(Token![<])  in parse()
341                 || input.peek(Token![Self])  in parse()
342                 || input.peek(Token![super])  in parse()
343                 || input.peek(Token![crate])  in parse()
346             } else if lookahead.peek(Token![_]) {  in parse()
348             } else if input.peek(Token![box]) {  in parse()
350             } else if input.peek(Token![-]) || lookahead.peek(Lit) || lookahead.peek(Token![const])  in parse()
353             } else if lookahead.peek(Token![ref])  in parse()
354                 || lookahead.peek(Token![mut])  in parse()
355                 || input.peek(Token![self])  in parse()
356                 || input.peek(Ident)  in parse()
359             } else if lookahead.peek(Token![&]) {  in parse()
361             } else if lookahead.peek(token::Paren) {  in parse()
363             } else if lookahead.peek(token::Bracket) {  in parse()
365             } else if lookahead.peek(Token![..]) && !input.peek(Token![...]) {  in parse()
367             } else if lookahead.peek(Token![const]) {  in parse()
379         if input.peek(Token![..]) {  in pat_path_or_macro_or_struct_or_range()
391         if input.peek(Token![!]) && !input.peek(Token![!=]) {  in pat_path_or_macro_or_struct_or_range()
417         if input.peek(token::Brace) {  in pat_path_or_macro_or_struct_or_range()
419         } else if input.peek(token::Paren) {  in pat_path_or_macro_or_struct_or_range()
421         } else if input.peek(Token![..]) {  in pat_path_or_macro_or_struct_or_range()
454                 if input.peek(Token![@]) {  in pat_ident()
478         while !content.is_empty() && !content.peek(Token![..]) {  in pat_struct()
488         let dot2_token = if fields.empty_or_trailing() && content.peek(Token![..]) {  in pat_struct()
519         if boxed.is_none() && by_ref.is_none() && mutability.is_none() && input.peek(Token![:])  in field_pat()
633         if input.peek(Token![..]) {  in pat_lit_or_range()
658             || input.peek(Token![|])  in pat_lit_expr()
659             || input.peek(Token![=>])  in pat_lit_expr()
660             || input.peek(Token![:]) && !input.peek(Token![::])  in pat_lit_expr()
661             || input.peek(Token![,])  in pat_lit_expr()
662             || input.peek(Token![;])  in pat_lit_expr()
670         let expr = if lookahead.peek(Lit) {  in pat_lit_expr()
672         } else if lookahead.peek(Ident)  in pat_lit_expr()
673             || lookahead.peek(Token![::])  in pat_lit_expr()
674             || lookahead.peek(Token![<])  in pat_lit_expr()
675             || lookahead.peek(Token![self])  in pat_lit_expr()
676             || lookahead.peek(Token![Self])  in pat_lit_expr()
677             || lookahead.peek(Token![super])  in pat_lit_expr()
678             || lookahead.peek(Token![crate])  in pat_lit_expr()
681         } else if lookahead.peek(Token![const]) {  in pat_lit_expr()
744             || input.peek(Token![|]) && !input.peek(Token![||]) && !input.peek(Token![|=])  in multi_pat_impl()
748             while input.peek(Token![|]) && !input.peek(Token![||]) && !input.peek(Token![|=]) {  in multi_pat_impl()