SOURCE_FILE@0..35
  FN@0..34
    FN_KW@0..2 "fn"
    WHITESPACE@2..3 " "
    NAME@3..6
      IDENT@3..6 "foo"
    GENERIC_PARAM_LIST@6..30
      L_ANGLE@6..7 "<"
      TYPE_PARAM@7..29
        NAME@7..8
          IDENT@7..8 "F"
        COLON@8..9 ":"
        WHITESPACE@9..10 " "
        TYPE_BOUND_LIST@10..29
          TYPE_BOUND@10..29
            PATH_TYPE@10..29
              PATH@10..29
                PATH_SEGMENT@10..29
                  NAME_REF@10..15
                    IDENT@10..15 "FnMut"
                  PARAM_LIST@15..29
                    L_PAREN@15..16 "("
                    PARAM@16..28
                      REF_TYPE@16..28
                        AMP@16..17 "&"
                        MUT_KW@17..20 "mut"
                        WHITESPACE@20..21 " "
                        PATH_TYPE@21..28
                          PATH@21..28
                            PATH_SEGMENT@21..28
                              NAME_REF@21..24
                                IDENT@21..24 "Foo"
                              GENERIC_ARG_LIST@24..28
                                L_ANGLE@24..25 "<"
                                LIFETIME_ARG@25..27
                                  LIFETIME@25..27
                                    LIFETIME_IDENT@25..27 "\'a"
                                R_ANGLE@27..28 ">"
                    R_PAREN@28..29 ")"
      R_ANGLE@29..30 ">"
    PARAM_LIST@30..32
      L_PAREN@30..31 "("
      R_PAREN@31..32 ")"
    BLOCK_EXPR@32..34
      L_CURLY@32..33 "{"
      R_CURLY@33..34 "}"
  WHITESPACE@34..35 "\n"