SOURCE_FILE@0..34
  FN@0..33
    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..33
      STMT_LIST@10..33
        L_CURLY@10..11 "{"
        WHITESPACE@11..16 "\n    "
        FN@16..31
          CONST_KW@16..21 "const"
          WHITESPACE@21..22 " "
          FN_KW@22..24 "fn"
          WHITESPACE@24..25 " "
          NAME@25..26
            IDENT@25..26 "f"
          PARAM_LIST@26..28
            L_PAREN@26..27 "("
            R_PAREN@27..28 ")"
          WHITESPACE@28..29 " "
          BLOCK_EXPR@29..31
            STMT_LIST@29..31
              L_CURLY@29..30 "{"
              R_CURLY@30..31 "}"
        WHITESPACE@31..32 "\n"
        R_CURLY@32..33 "}"
  WHITESPACE@33..34 "\n"