SOURCE_FILE
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "main"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        MATCH_EXPR
          MATCH_KW "match"
          WHITESPACE " "
          TUPLE_EXPR
            L_PAREN "("
            R_PAREN ")"
          WHITESPACE " "
          MATCH_ARM_LIST
            L_CURLY "{"
            WHITESPACE "\n        "
            MATCH_ARM
              LITERAL_PAT
                MINUS "-"
                LITERAL
                  INT_NUMBER "1"
              WHITESPACE " "
              FAT_ARROW "=>"
              WHITESPACE " "
              TUPLE_EXPR
                L_PAREN "("
                R_PAREN ")"
              COMMA ","
            WHITESPACE "\n        "
            MATCH_ARM
              LITERAL_PAT
                LITERAL
                  INT_NUMBER "92"
              WHITESPACE " "
              FAT_ARROW "=>"
              WHITESPACE " "
              TUPLE_EXPR
                L_PAREN "("
                R_PAREN ")"
              COMMA ","
            WHITESPACE "\n        "
            MATCH_ARM
              LITERAL_PAT
                LITERAL
                  CHAR "'c'"
              WHITESPACE " "
              FAT_ARROW "=>"
              WHITESPACE " "
              TUPLE_EXPR
                L_PAREN "("
                R_PAREN ")"
              COMMA ","
            WHITESPACE "\n        "
            MATCH_ARM
              LITERAL_PAT
                LITERAL
                  STRING "\"hello\""
              WHITESPACE " "
              FAT_ARROW "=>"
              WHITESPACE " "
              TUPLE_EXPR
                L_PAREN "("
                R_PAREN ")"
              COMMA ","
            WHITESPACE "\n    "
            R_CURLY "}"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n"
