SOURCE_FILE@0..89
  FN@0..88
    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..88
      L_CURLY@9..10 "{"
      WHITESPACE@10..15 "\n    "
      LET_STMT@15..27
        LET_KW@15..18 "let"
        WHITESPACE@18..19 " "
        IDENT_PAT@19..20
          NAME@19..20
            IDENT@19..20 "x"
        WHITESPACE@20..21 " "
        EQ@21..22 "="
        WHITESPACE@22..23 " "
        RANGE_EXPR@23..26
          LITERAL@23..24
            INT_NUMBER@23..24 "1"
          DOT2@24..26 ".."
        SEMICOLON@26..27 ";"
      WHITESPACE@27..32 "\n    "
      EXPR_STMT@32..54
        MATCH_EXPR@32..53
          MATCH_KW@32..37 "match"
          WHITESPACE@37..38 " "
          RANGE_EXPR@38..41
            LITERAL@38..39
              INT_NUMBER@38..39 "1"
            DOT2@39..41 ".."
          WHITESPACE@41..42 " "
          MATCH_ARM_LIST@42..53
            L_CURLY@42..43 "{"
            WHITESPACE@43..44 " "
            MATCH_ARM@44..51
              WILDCARD_PAT@44..45
                UNDERSCORE@44..45 "_"
              WHITESPACE@45..46 " "
              FAT_ARROW@46..48 "=>"
              WHITESPACE@48..49 " "
              TUPLE_EXPR@49..51
                L_PAREN@49..50 "("
                R_PAREN@50..51 ")"
            WHITESPACE@51..52 " "
            R_CURLY@52..53 "}"
        SEMICOLON@53..54 ";"
      WHITESPACE@54..59 "\n    "
      EXPR_STMT@59..86
        MATCH_EXPR@59..85
          MATCH_KW@59..64 "match"
          WHITESPACE@64..65 " "
          RANGE_EXPR@65..73
            METHOD_CALL_EXPR@65..70
              PATH_EXPR@65..66
                PATH@65..66
                  PATH_SEGMENT@65..66
                    NAME_REF@65..66
                      IDENT@65..66 "a"
              DOT@66..67 "."
              NAME_REF@67..68
                IDENT@67..68 "b"
              ARG_LIST@68..70
                L_PAREN@68..69 "("
                R_PAREN@69..70 ")"
            DOT2@70..72 ".."
            PATH_EXPR@72..73
              PATH@72..73
                PATH_SEGMENT@72..73
                  NAME_REF@72..73
                    IDENT@72..73 "S"
          WHITESPACE@73..74 " "
          MATCH_ARM_LIST@74..85
            L_CURLY@74..75 "{"
            WHITESPACE@75..76 " "
            MATCH_ARM@76..83
              WILDCARD_PAT@76..77
                UNDERSCORE@76..77 "_"
              WHITESPACE@77..78 " "
              FAT_ARROW@78..80 "=>"
              WHITESPACE@80..81 " "
              TUPLE_EXPR@81..83
                L_PAREN@81..82 "("
                R_PAREN@82..83 ")"
            WHITESPACE@83..84 " "
            R_CURLY@84..85 "}"
        SEMICOLON@85..86 ";"
      WHITESPACE@86..87 "\n"
      R_CURLY@87..88 "}"
  WHITESPACE@88..89 "\n"