320             if input.peek(Lifetime) && !input.peek2(Token![+]) {  in parse()
324             if input.peek(Lit) || input.peek(token::Brace) {  in parse()
348                         return if input.peek(Lit) || input.peek(token::Brace) {  in parse()
379                                     if input.peek(Token![,]) || input.peek(Token![>]) {  in parse()
391                                     if !input.peek(Token![+]) {  in parse()
414         if input.peek(Lit) {  in const_argument()
419         if input.peek(Ident) {  in const_argument()
428         if input.peek(token::Brace) {  in const_argument()
471                         if input.peek(Token![>]) {  in do_parse()
476                         if input.peek(Token![>]) {  in do_parse()
518             if input.peek(Token![super])  in parse_helper()
519                 || input.peek(Token![self])  in parse_helper()
520                 || input.peek(Token![crate])  in parse_helper()
521                 || cfg!(feature = "full") && input.peek(Token![try])  in parse_helper()
527             let ident = if input.peek(Token![Self]) {  in parse_helper()
534                 && input.peek(Token![<])  in parse_helper()
535                 && !input.peek(Token![<=])  in parse_helper()
536                 && !input.peek(Token![<<=])  in parse_helper()
537                 || input.peek(Token![::]) && input.peek3(Token![<])  in parse_helper()
587                         if !input.peek(Ident)  in parse_mod_style()
588                             && !input.peek(Token![super])  in parse_mod_style()
589                             && !input.peek(Token![self])  in parse_mod_style()
590                             && !input.peek(Token![Self])  in parse_mod_style()
591                             && !input.peek(Token![crate])  in parse_mod_style()
597                         if !input.peek(Token![::]) {  in parse_mod_style()
632             while input.peek(Token![::]) && !input.peek3(token::Paren) {  in parse_rest()
649         if input.peek(Token![<]) {  in qpath()
652             let path = if input.peek(Token![as]) {  in qpath()
665                 if !input.peek(Token![::]) {  in qpath()