335                         qself: Some(QSelf {  in ambig_ty()
402                             paren_token: Some(paren_token),  in ambig_ty()
405                         while let Some(plus) = input.parse()? {  in ambig_ty()
445                                 paren_token: Some(paren_token),  in ambig_ty()
465                                         paren_token: Some(paren_token),  in ambig_ty()
481                             while let Some(plus) = input.parse()? {  in ambig_ty()
577                     dyn_token: Some(dyn_token),  in ambig_ty()
646                 (Some(input.parse()?), None)  in parse()
648                 (None, Some(input.parse()?))  in parse()
699                             variadic = Some(parse_bare_variadic(&args, attrs)?);  in parse()
837                 Some(token) => token.span,  in parse()
866                         last_lifetime_span = Some(lifetime.ident.span());  in parse_bounds()
916                         last_nontrait_span = Some(lifetime.ident.span());  in parse()
921                             last_nontrait_span = Some(precise_capture.gt_token.span);  in parse()
1007             Some((name, colon))  in parse_bare_fn_arg()
1022             Some(input.parse()?)  in parse_bare_fn_arg()
1026             Some(ty) if !has_mut_self => ty,  in parse_bare_fn_arg()
1042                 Some((name, colon))  in parse_bare_variadic()
1065                 input.parse().map(Some)  in parse()
1112                 Some(tok) => tok.to_tokens(tokens),  in to_tokens()
1140                 if let Some(variadic) = &self.variadic {  in to_tokens()
1245             if let Some((name, colon)) = &self.name {  in to_tokens()
1257             if let Some((name, colon)) = &self.name {  in to_tokens()