782         extern_token: Token![extern](tokens_helper(f, &node.extern_token.span)),  in fold_abi()
795         colon2_token: (node.colon2_token).map(|it| Token ! [::](tokens_helper(f, &it.spans))),  in fold_angle_bracketed_generic_arguments()
796         lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),  in fold_angle_bracketed_generic_arguments()
798         gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),  in fold_angle_bracketed_generic_arguments()
811                 Token![if](tokens_helper(f, &(it).0.span)),  in fold_arm()
815         fat_arrow_token: Token ! [=>](tokens_helper(f, &node.fat_arrow_token.spans)),  in fold_arm()
817         comma: (node.comma).map(|it| Token ! [,](tokens_helper(f, &it.spans))),  in fold_arm()
828             AttrStyle::Inner(Token![!](tokens_helper(f, &_binding_0.spans)))  in fold_attr_style()
838         pound_token: Token ! [#](tokens_helper(f, &node.pound_token.spans)),  in fold_attribute()
840         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_attribute()
855                 Token ! [:](tokens_helper(f, &(it).1.spans)),  in fold_bare_fn_arg()
867         BinOp::Add(_binding_0) => BinOp::Add(Token ! [+](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
868         BinOp::Sub(_binding_0) => BinOp::Sub(Token ! [-](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
869         BinOp::Mul(_binding_0) => BinOp::Mul(Token ! [*](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
870         BinOp::Div(_binding_0) => BinOp::Div(Token ! [/](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
871         BinOp::Rem(_binding_0) => BinOp::Rem(Token ! [%](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
872         BinOp::And(_binding_0) => BinOp::And(Token ! [&&](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
873         BinOp::Or(_binding_0) => BinOp::Or(Token ! [||](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
875             BinOp::BitXor(Token ! [^](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
878             BinOp::BitAnd(Token ! [&](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
880         BinOp::BitOr(_binding_0) => BinOp::BitOr(Token ! [|](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
881         BinOp::Shl(_binding_0) => BinOp::Shl(Token ! [<<](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
882         BinOp::Shr(_binding_0) => BinOp::Shr(Token ! [>>](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
883         BinOp::Eq(_binding_0) => BinOp::Eq(Token ! [==](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
884         BinOp::Lt(_binding_0) => BinOp::Lt(Token ! [<](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
885         BinOp::Le(_binding_0) => BinOp::Le(Token ! [<=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
886         BinOp::Ne(_binding_0) => BinOp::Ne(Token ! [!=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
887         BinOp::Ge(_binding_0) => BinOp::Ge(Token ! [>=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
888         BinOp::Gt(_binding_0) => BinOp::Gt(Token ! [>](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
889         BinOp::AddEq(_binding_0) => BinOp::AddEq(Token ! [+=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
890         BinOp::SubEq(_binding_0) => BinOp::SubEq(Token ! [-=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
891         BinOp::MulEq(_binding_0) => BinOp::MulEq(Token ! [*=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
892         BinOp::DivEq(_binding_0) => BinOp::DivEq(Token ! [/=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
893         BinOp::RemEq(_binding_0) => BinOp::RemEq(Token ! [%=](tokens_helper(f, &_binding_0.spans))),  in fold_bin_op()
895             BinOp::BitXorEq(Token ! [^=](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
898             BinOp::BitAndEq(Token ! [&=](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
901             BinOp::BitOrEq(Token ! [|=](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
904             BinOp::ShlEq(Token ! [<<=](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
907             BinOp::ShrEq(Token ! [>>=](tokens_helper(f, &_binding_0.spans)))  in fold_bin_op()
918         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_binding()
928         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_block()
938         for_token: Token![for](tokens_helper(f, &node.for_token.span)),  in fold_bound_lifetimes()
939         lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),  in fold_bound_lifetimes()
941         gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),  in fold_bound_lifetimes()
951         const_token: Token![const](tokens_helper(f, &node.const_token.span)),  in fold_const_param()
953         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_const_param()
955         eq_token: (node.eq_token).map(|it| Token ! [=](tokens_helper(f, &it.spans))),  in fold_const_param()
966         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_constraint()
987         enum_token: Token![enum](tokens_helper(f, &node.enum_token.span)),  in fold_data_enum()
988         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_data_enum()
998         struct_token: Token![struct](tokens_helper(f, &node.struct_token.span)),  in fold_data_struct()
1000         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_data_struct()
1009         union_token: Token![union](tokens_helper(f, &node.union_token.span)),  in fold_data_union()
1084         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_expr_array()
1096         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_expr_assign()
1119         async_token: Token![async](tokens_helper(f, &node.async_token.span)),  in fold_expr_async()
1120         capture: (node.capture).map(|it| Token![move](tokens_helper(f, &it.span))),  in fold_expr_async()
1132         dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),  in fold_expr_await()
1133         await_token: crate::token::Await(tokens_helper(f, &node.await_token.span)),  in fold_expr_await()
1166         box_token: Token![box](tokens_helper(f, &node.box_token.span)),  in fold_expr_box()
1177         break_token: Token![break](tokens_helper(f, &node.break_token.span)),  in fold_expr_break()
1190         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_expr_call()
1202         as_token: Token![as](tokens_helper(f, &node.as_token.span)),  in fold_expr_cast()
1213         asyncness: (node.asyncness).map(|it| Token![async](tokens_helper(f, &it.span))),  in fold_expr_closure()
1214         movability: (node.movability).map(|it| Token![static](tokens_helper(f, &it.span))),  in fold_expr_closure()
1215         capture: (node.capture).map(|it| Token![move](tokens_helper(f, &it.span))),  in fold_expr_closure()
1216         or1_token: Token ! [|](tokens_helper(f, &node.or1_token.spans)),  in fold_expr_closure()
1218         or2_token: Token ! [|](tokens_helper(f, &node.or2_token.spans)),  in fold_expr_closure()
1230         continue_token: Token![continue](tokens_helper(f, &node.continue_token.span)),  in fold_expr_continue()
1242         dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),  in fold_expr_field()
1254         for_token: Token![for](tokens_helper(f, &node.for_token.span)),  in fold_expr_for_loop()
1256         in_token: Token![in](tokens_helper(f, &node.in_token.span)),  in fold_expr_for_loop()
1268         group_token: Group(tokens_helper(f, &node.group_token.span)),  in fold_expr_group()
1279         if_token: Token![if](tokens_helper(f, &node.if_token.span)),  in fold_expr_if()
1284                 Token![else](tokens_helper(f, &(it).0.span)),  in fold_expr_if()
1298         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_expr_index()
1309         let_token: Token![let](tokens_helper(f, &node.let_token.span)),  in fold_expr_let()
1311         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_expr_let()
1333         loop_token: Token![loop](tokens_helper(f, &node.loop_token.span)),  in fold_expr_loop()
1354         match_token: Token![match](tokens_helper(f, &node.match_token.span)),  in fold_expr_match()
1356         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_expr_match()
1368         dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),  in fold_expr_method_call()
1371         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_expr_method_call()
1382         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_expr_paren()
1416         and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),  in fold_expr_reference()
1418         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_expr_reference()
1429         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_expr_repeat()
1431         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_expr_repeat()
1442         return_token: Token![return](tokens_helper(f, &node.return_token.span)),  in fold_expr_return()
1454         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_expr_struct()
1456         dot2_token: (node.dot2_token).map(|it| Token![..](tokens_helper(f, &it.spans))),  in fold_expr_struct()
1468         question_token: Token ! [?](tokens_helper(f, &node.question_token.spans)),  in fold_expr_try()
1478         try_token: Token![try](tokens_helper(f, &node.try_token.span)),  in fold_expr_try_block()
1489         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_expr_tuple()
1501         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_expr_type()
1523         unsafe_token: Token![unsafe](tokens_helper(f, &node.unsafe_token.span)),  in fold_expr_unsafe()
1535         while_token: Token![while](tokens_helper(f, &node.while_token.span)),  in fold_expr_while()
1547         yield_token: Token![yield](tokens_helper(f, &node.yield_token.span)),  in fold_expr_yield()
1560         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_field()
1572         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_field_pat()
1584         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_field_value()
1605         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_fields_named()
1615         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_fields_unnamed()
1665         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_foreign_item_fn()
1676         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_foreign_item_macro()
1687         static_token: Token![static](tokens_helper(f, &node.static_token.span)),  in fold_foreign_item_static()
1688         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_foreign_item_static()
1690         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_foreign_item_static()
1692         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_foreign_item_static()
1703         type_token: Token![type](tokens_helper(f, &node.type_token.span)),  in fold_foreign_item_type()
1705         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_foreign_item_type()
1763         lt_token: (node.lt_token).map(|it| Token ! [<](tokens_helper(f, &it.spans))),  in fold_generics()
1765         gt_token: (node.gt_token).map(|it| Token ! [>](tokens_helper(f, &it.spans))),  in fold_generics()
1800         defaultness: (node.defaultness).map(|it| Token![default](tokens_helper(f, &it.span))),  in fold_impl_item_const()
1801         const_token: Token![const](tokens_helper(f, &node.const_token.span)),  in fold_impl_item_const()
1803         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_impl_item_const()
1805         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_impl_item_const()
1807         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_impl_item_const()
1818         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_impl_item_macro()
1829         defaultness: (node.defaultness).map(|it| Token![default](tokens_helper(f, &it.span))),  in fold_impl_item_method()
1842         defaultness: (node.defaultness).map(|it| Token![default](tokens_helper(f, &it.span))),  in fold_impl_item_type()
1843         type_token: Token![type](tokens_helper(f, &node.type_token.span)),  in fold_impl_item_type()
1846         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_impl_item_type()
1848         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_impl_item_type()
1895         const_token: Token![const](tokens_helper(f, &node.const_token.span)),  in fold_item_const()
1897         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_item_const()
1899         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_item_const()
1901         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_item_const()
1912         enum_token: Token![enum](tokens_helper(f, &node.enum_token.span)),  in fold_item_enum()
1915         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_item_enum()
1927         extern_token: Token![extern](tokens_helper(f, &node.extern_token.span)),  in fold_item_extern_crate()
1928         crate_token: Token![crate](tokens_helper(f, &node.crate_token.span)),  in fold_item_extern_crate()
1932                 Token![as](tokens_helper(f, &(it).0.span)),  in fold_item_extern_crate()
1936         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_item_extern_crate()
1959         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_item_foreign_mod()
1970         defaultness: (node.defaultness).map(|it| Token![default](tokens_helper(f, &it.span))),  in fold_item_impl()
1971         unsafety: (node.unsafety).map(|it| Token![unsafe](tokens_helper(f, &it.span))),  in fold_item_impl()
1972         impl_token: Token![impl](tokens_helper(f, &node.impl_token.span)),  in fold_item_impl()
1976                 ((it).0).map(|it| Token![!](tokens_helper(f, &it.spans))),  in fold_item_impl()
1978                 Token![for](tokens_helper(f, &(it).2.span)),  in fold_item_impl()
1982         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_item_impl()
1995         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_item_macro()
2006         macro_token: Token![macro](tokens_helper(f, &node.macro_token.span)),  in fold_item_macro2()
2019         mod_token: Token![mod](tokens_helper(f, &node.mod_token.span)),  in fold_item_mod()
2023                 Brace(tokens_helper(f, &(it).0.span)),  in fold_item_mod()
2027         semi: (node.semi).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_item_mod()
2038         static_token: Token![static](tokens_helper(f, &node.static_token.span)),  in fold_item_static()
2039         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_item_static()
2041         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_item_static()
2043         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_item_static()
2045         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_item_static()
2056         struct_token: Token![struct](tokens_helper(f, &node.struct_token.span)),  in fold_item_struct()
2060         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_item_struct()
2071         unsafety: (node.unsafety).map(|it| Token![unsafe](tokens_helper(f, &it.span))),  in fold_item_trait()
2072         auto_token: (node.auto_token).map(|it| Token![auto](tokens_helper(f, &it.span))),  in fold_item_trait()
2073         trait_token: Token![trait](tokens_helper(f, &node.trait_token.span)),  in fold_item_trait()
2076         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_item_trait()
2078         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_item_trait()
2090         trait_token: Token![trait](tokens_helper(f, &node.trait_token.span)),  in fold_item_trait_alias()
2093         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_item_trait_alias()
2095         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_item_trait_alias()
2106         type_token: Token![type](tokens_helper(f, &node.type_token.span)),  in fold_item_type()
2109         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_item_type()
2111         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_item_type()
2122         union_token: Token![union](tokens_helper(f, &node.union_token.span)),  in fold_item_union()
2136         use_token: Token![use](tokens_helper(f, &node.use_token.span)),  in fold_item_use()
2137         leading_colon: (node.leading_colon).map(|it| Token ! [::](tokens_helper(f, &it.spans))),  in fold_item_use()
2139         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_item_use()
2149         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_label()
2169         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_lifetime_def()
2258         let_token: Token![let](tokens_helper(f, &node.let_token.span)),  in fold_local()
2262                 Token ! [=](tokens_helper(f, &(it).0.spans)),  in fold_local()
2266         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_local()
2276         bang_token: Token![!](tokens_helper(f, &node.bang_token.spans)),  in fold_macro()
2288             MacroDelimiter::Paren(Paren(tokens_helper(f, &_binding_0.span)))  in fold_macro_delimiter()
2291             MacroDelimiter::Brace(Brace(tokens_helper(f, &_binding_0.span)))  in fold_macro_delimiter()
2294             MacroDelimiter::Bracket(Bracket(tokens_helper(f, &_binding_0.span)))  in fold_macro_delimiter()
2326         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_meta_list()
2337         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_meta_name_value()
2347         colon2_token: Token ! [::](tokens_helper(f, &node.colon2_token.spans)),  in fold_method_turbofish()
2348         lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),  in fold_method_turbofish()
2350         gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),  in fold_method_turbofish()
2372         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_parenthesized_generic_arguments()
2409         box_token: Token![box](tokens_helper(f, &node.box_token.span)),  in fold_pat_box()
2420         by_ref: (node.by_ref).map(|it| Token![ref](tokens_helper(f, &it.span))),  in fold_pat_ident()
2421         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_pat_ident()
2425                 Token ! [@](tokens_helper(f, &(it).0.spans)),  in fold_pat_ident()
2458         leading_vert: (node.leading_vert).map(|it| Token ! [|](tokens_helper(f, &it.spans))),  in fold_pat_or()
2492         and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),  in fold_pat_reference()
2493         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_pat_reference()
2504         dot2_token: Token![..](tokens_helper(f, &node.dot2_token.spans)),  in fold_pat_rest()
2514         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_pat_slice()
2526         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_pat_struct()
2528         dot2_token: (node.dot2_token).map(|it| Token![..](tokens_helper(f, &it.spans))),  in fold_pat_struct()
2538         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_pat_tuple()
2561         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_pat_type()
2572         underscore_token: Token![_](tokens_helper(f, &node.underscore_token.spans)),  in fold_pat_wild()
2581         leading_colon: (node.leading_colon).map(|it| Token ! [::](tokens_helper(f, &it.spans))),  in fold_path()
2617         eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),  in fold_predicate_eq()
2628         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_predicate_lifetime()
2640         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_predicate_type()
2650         lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),  in fold_qself()
2653         as_token: (node.as_token).map(|it| Token![as](tokens_helper(f, &it.span))),  in fold_qself()
2654         gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),  in fold_qself()
2664             RangeLimits::HalfOpen(Token![..](tokens_helper(f, &_binding_0.spans)))  in fold_range_limits()
2667             RangeLimits::Closed(Token ! [..=](tokens_helper(f, &_binding_0.spans)))  in fold_range_limits()
2680                 Token ! [&](tokens_helper(f, &(it).0.spans)),  in fold_receiver()
2684         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_receiver()
2685         self_token: Token![self](tokens_helper(f, &node.self_token.span)),  in fold_receiver()
2696             Token ! [->](tokens_helper(f, &_binding_0.spans)),  in fold_return_type()
2707         constness: (node.constness).map(|it| Token![const](tokens_helper(f, &it.span))),  in fold_signature()
2708         asyncness: (node.asyncness).map(|it| Token![async](tokens_helper(f, &it.span))),  in fold_signature()
2709         unsafety: (node.unsafety).map(|it| Token![unsafe](tokens_helper(f, &it.span))),  in fold_signature()
2711         fn_token: Token![fn](tokens_helper(f, &node.fn_token.span)),  in fold_signature()
2714         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_signature()
2737             Token ! [;](tokens_helper(f, &_binding_1.spans)),  in fold_stmt()
2747         paren_token: (node.paren_token).map(|it| Paren(tokens_helper(f, &it.span))),  in fold_trait_bound()
2761             TraitBoundModifier::Maybe(Token ! [?](tokens_helper(f, &_binding_0.spans)))  in fold_trait_bound_modifier()
2786         const_token: Token![const](tokens_helper(f, &node.const_token.span)),  in fold_trait_item_const()
2788         colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),  in fold_trait_item_const()
2792                 Token ! [=](tokens_helper(f, &(it).0.spans)),  in fold_trait_item_const()
2796         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_trait_item_const()
2807         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_trait_item_macro()
2819         semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),  in fold_trait_item_method()
2829         type_token: Token![type](tokens_helper(f, &node.type_token.span)),  in fold_trait_item_type()
2832         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_trait_item_type()
2836                 Token ! [=](tokens_helper(f, &(it).0.spans)),  in fold_trait_item_type()
2840         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_trait_item_type()
2873         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_type_array()
2875         semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),  in fold_type_array()
2886         unsafety: (node.unsafety).map(|it| Token![unsafe](tokens_helper(f, &it.span))),  in fold_type_bare_fn()
2888         fn_token: Token![fn](tokens_helper(f, &node.fn_token.span)),  in fold_type_bare_fn()
2889         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_type_bare_fn()
2901         group_token: Group(tokens_helper(f, &node.group_token.span)),  in fold_type_group()
2911         impl_token: Token![impl](tokens_helper(f, &node.impl_token.span)),  in fold_type_impl_trait()
2921         underscore_token: Token![_](tokens_helper(f, &node.underscore_token.spans)),  in fold_type_infer()
2939         bang_token: Token![!](tokens_helper(f, &node.bang_token.spans)),  in fold_type_never()
2950         colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),  in fold_type_param()
2952         eq_token: (node.eq_token).map(|it| Token ! [=](tokens_helper(f, &it.spans))),  in fold_type_param()
2974         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_type_paren()
2994         star_token: Token ! [*](tokens_helper(f, &node.star_token.spans)),  in fold_type_ptr()
2995         const_token: (node.const_token).map(|it| Token![const](tokens_helper(f, &it.span))),  in fold_type_ptr()
2996         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_type_ptr()
3006         and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),  in fold_type_reference()
3008         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),  in fold_type_reference()
3018         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),  in fold_type_slice()
3028         dyn_token: (node.dyn_token).map(|it| Token![dyn](tokens_helper(f, &it.span))),  in fold_type_trait_object()
3038         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_type_tuple()
3048         UnOp::Deref(_binding_0) => UnOp::Deref(Token ! [*](tokens_helper(f, &_binding_0.spans))),  in fold_un_op()
3049         UnOp::Not(_binding_0) => UnOp::Not(Token![!](tokens_helper(f, &_binding_0.spans))),  in fold_un_op()
3050         UnOp::Neg(_binding_0) => UnOp::Neg(Token ! [-](tokens_helper(f, &_binding_0.spans))),  in fold_un_op()
3059         star_token: Token ! [*](tokens_helper(f, &node.star_token.spans)),  in fold_use_glob()
3068         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),  in fold_use_group()
3088         colon2_token: Token ! [::](tokens_helper(f, &node.colon2_token.spans)),  in fold_use_path()
3099         as_token: Token![as](tokens_helper(f, &node.as_token.span)),  in fold_use_rename()
3123         dots: Token ! [...](tokens_helper(f, &node.dots.spans)),  in fold_variadic()
3137                 Token ! [=](tokens_helper(f, &(it).0.spans)),  in fold_variant()
3149         crate_token: Token![crate](tokens_helper(f, &node.crate_token.span)),  in fold_vis_crate()
3158         pub_token: Token![pub](tokens_helper(f, &node.pub_token.span)),  in fold_vis_public()
3167         pub_token: Token![pub](tokens_helper(f, &node.pub_token.span)),  in fold_vis_restricted()
3168         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),  in fold_vis_restricted()
3169         in_token: (node.in_token).map(|it| Token![in](tokens_helper(f, &it.span))),  in fold_vis_restricted()
3193         where_token: Token![where](tokens_helper(f, &node.where_token.span)),  in fold_where_clause()