SOURCE_FILE@0..35
  FN@0..34
    FN_KW@0..2 "fn"
    WHITESPACE@2..3 " "
    NAME@3..7
      IDENT@3..7 "main"
    PARAM_LIST@7..9
      L_PAREN@7..8 "("
      R_PAREN@8..9 ")"
    WHITESPACE@9..10 " "
    BLOCK_EXPR@10..34
      L_CURLY@10..11 "{"
      WHITESPACE@11..16 "\n    "
      MATCH_EXPR@16..32
        MATCH_KW@16..21 "match"
        WHITESPACE@21..22 " "
        RANGE_EXPR@22..24
          DOT2@22..24 ".."
        WHITESPACE@24..25 " "
        MATCH_ARM_LIST@25..32
          L_CURLY@25..26 "{"
          WHITESPACE@26..31 "\n    "
          R_CURLY@31..32 "}"
      WHITESPACE@32..33 "\n"
      R_CURLY@33..34 "}"
  WHITESPACE@34..35 "\n"