SOURCE_FILE@0..34
  STRUCT@0..34
    STRUCT_KW@0..6 "struct"
    WHITESPACE@6..7 " "
    NAME@7..8
      IDENT@7..8 "S"
    WHITESPACE@8..9 " "
    RECORD_FIELD_LIST@9..34
      L_CURLY@9..10 "{"
      WHITESPACE@10..15 "\n    "
      RECORD_FIELD@15..21
        NAME@15..16
          IDENT@15..16 "a"
        COLON@16..17 ":"
        WHITESPACE@17..18 " "
        PATH_TYPE@18..21
          PATH@18..21
            PATH_SEGMENT@18..21
              NAME_REF@18..21
                IDENT@18..21 "u32"
      WHITESPACE@21..26 "\n    "
      RECORD_FIELD@26..32
        NAME@26..27
          IDENT@26..27 "b"
        COLON@27..28 ":"
        WHITESPACE@28..29 " "
        PATH_TYPE@29..32
          PATH@29..32
            PATH_SEGMENT@29..32
              NAME_REF@29..32
                IDENT@29..32 "u32"
      WHITESPACE@32..33 "\n"
      R_CURLY@33..34 "}"
error 21..21: expected COMMA