SOURCE_FILE@0..97
  FN@0..96
    FN_KW@0..2 "fn"
    WHITESPACE@2..3 " "
    NAME@3..6
      IDENT@3..6 "foo"
    PARAM_LIST@6..8
      L_PAREN@6..7 "("
      R_PAREN@7..8 ")"
    WHITESPACE@8..9 " "
    BLOCK_EXPR@9..96
      L_CURLY@9..10 "{"
      WHITESPACE@10..15 "\n    "
      EXPR_STMT@15..28
        MATCH_EXPR@15..27
          MATCH_KW@15..20 "match"
          WHITESPACE@20..21 " "
          TUPLE_EXPR@21..23
            L_PAREN@21..22 "("
            R_PAREN@22..23 ")"
          WHITESPACE@23..24 " "
          MATCH_ARM_LIST@24..27
            L_CURLY@24..25 "{"
            WHITESPACE@25..26 " "
            R_CURLY@26..27 "}"
        SEMICOLON@27..28 ";"
      WHITESPACE@28..33 "\n    "
      EXPR_STMT@33..44
        MATCH_EXPR@33..43
          MATCH_KW@33..38 "match"
          WHITESPACE@38..39 " "
          PATH_EXPR@39..40
            PATH@39..40
              PATH_SEGMENT@39..40
                NAME_REF@39..40
                  IDENT@39..40 "S"
          WHITESPACE@40..41 " "
          MATCH_ARM_LIST@41..43
            L_CURLY@41..42 "{"
            R_CURLY@42..43 "}"
        SEMICOLON@43..44 ";"
      WHITESPACE@44..49 "\n    "
      EXPR_STMT@49..71
        MATCH_EXPR@49..70
          MATCH_KW@49..54 "match"
          WHITESPACE@54..55 " "
          BLOCK_EXPR@55..58
            L_CURLY@55..56 "{"
            WHITESPACE@56..57 " "
            R_CURLY@57..58 "}"
          WHITESPACE@58..59 " "
          MATCH_ARM_LIST@59..70
            L_CURLY@59..60 "{"
            WHITESPACE@60..61 " "
            MATCH_ARM@61..68
              WILDCARD_PAT@61..62
                UNDERSCORE@61..62 "_"
              WHITESPACE@62..63 " "
              FAT_ARROW@63..65 "=>"
              WHITESPACE@65..66 " "
              TUPLE_EXPR@66..68
                L_PAREN@66..67 "("
                R_PAREN@67..68 ")"
            WHITESPACE@68..69 " "
            R_CURLY@69..70 "}"
        SEMICOLON@70..71 ";"
      WHITESPACE@71..76 "\n    "
      EXPR_STMT@76..94
        MATCH_EXPR@76..93
          MATCH_KW@76..81 "match"
          WHITESPACE@81..82 " "
          BLOCK_EXPR@82..90
            L_CURLY@82..83 "{"
            WHITESPACE@83..84 " "
            RECORD_EXPR@84..88
              PATH@84..85
                PATH_SEGMENT@84..85
                  NAME_REF@84..85
                    IDENT@84..85 "S"
              WHITESPACE@85..86 " "
              RECORD_EXPR_FIELD_LIST@86..88
                L_CURLY@86..87 "{"
                R_CURLY@87..88 "}"
            WHITESPACE@88..89 " "
            R_CURLY@89..90 "}"
          WHITESPACE@90..91 " "
          MATCH_ARM_LIST@91..93
            L_CURLY@91..92 "{"
            R_CURLY@92..93 "}"
        SEMICOLON@93..94 ";"
      WHITESPACE@94..95 "\n"
      R_CURLY@95..96 "}"
  WHITESPACE@96..97 "\n"