SOURCE_FILE@0..167
  FN@0..166
    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..166
      L_CURLY@9..10 "{"
      WHITESPACE@10..15 "\n    "
      EXPR_STMT@15..25
        IF_EXPR@15..25
          IF_KW@15..17 "if"
          WHITESPACE@17..18 " "
          CONDITION@18..22
            LITERAL@18..22
              TRUE_KW@18..22 "true"
          WHITESPACE@22..23 " "
          BLOCK_EXPR@23..25
            L_CURLY@23..24 "{"
            R_CURLY@24..25 "}"
      WHITESPACE@25..30 "\n    "
      EXPR_STMT@30..37
        LOOP_EXPR@30..37
          LOOP_KW@30..34 "loop"
          WHITESPACE@34..35 " "
          BLOCK_EXPR@35..37
            L_CURLY@35..36 "{"
            R_CURLY@36..37 "}"
      WHITESPACE@37..42 "\n    "
      EXPR_STMT@42..53
        MATCH_EXPR@42..53
          MATCH_KW@42..47 "match"
          WHITESPACE@47..48 " "
          TUPLE_EXPR@48..50
            L_PAREN@48..49 "("
            R_PAREN@49..50 ")"
          WHITESPACE@50..51 " "
          MATCH_ARM_LIST@51..53
            L_CURLY@51..52 "{"
            R_CURLY@52..53 "}"
      WHITESPACE@53..58 "\n    "
      EXPR_STMT@58..71
        WHILE_EXPR@58..71
          WHILE_KW@58..63 "while"
          WHITESPACE@63..64 " "
          CONDITION@64..68
            LITERAL@64..68
              TRUE_KW@64..68 "true"
          WHITESPACE@68..69 " "
          BLOCK_EXPR@69..71
            L_CURLY@69..70 "{"
            R_CURLY@70..71 "}"
      WHITESPACE@71..76 "\n    "
      EXPR_STMT@76..90
        FOR_EXPR@76..90
          FOR_KW@76..79 "for"
          WHITESPACE@79..80 " "
          WILDCARD_PAT@80..81
            UNDERSCORE@80..81 "_"
          WHITESPACE@81..82 " "
          IN_KW@82..84 "in"
          WHITESPACE@84..85 " "
          TUPLE_EXPR@85..87
            L_PAREN@85..86 "("
            R_PAREN@86..87 ")"
          WHITESPACE@87..88 " "
          BLOCK_EXPR@88..90
            L_CURLY@88..89 "{"
            R_CURLY@89..90 "}"
      WHITESPACE@90..95 "\n    "
      EXPR_STMT@95..97
        BLOCK_EXPR@95..97
          L_CURLY@95..96 "{"
          R_CURLY@96..97 "}"
      WHITESPACE@97..102 "\n    "
      EXPR_STMT@102..104
        BLOCK_EXPR@102..104
          L_CURLY@102..103 "{"
          R_CURLY@103..104 "}"
      WHITESPACE@104..109 "\n    "
      EXPR_STMT@109..152
        MACRO_CALL@109..152
          PATH@109..120
            PATH_SEGMENT@109..120
              NAME_REF@109..120
                IDENT@109..120 "macro_rules"
          BANG@120..121 "!"
          WHITESPACE@121..122 " "
          NAME@122..126
            IDENT@122..126 "test"
          WHITESPACE@126..127 " "
          TOKEN_TREE@127..152
            L_CURLY@127..128 "{"
            WHITESPACE@128..138 "\n         "
            TOKEN_TREE@138..140
              L_PAREN@138..139 "("
              R_PAREN@139..140 ")"
            WHITESPACE@140..141 " "
            EQ@141..142 "="
            R_ANGLE@142..143 ">"
            WHITESPACE@143..144 " "
            TOKEN_TREE@144..146
              L_CURLY@144..145 "{"
              R_CURLY@145..146 "}"
            WHITESPACE@146..151 "\n    "
            R_CURLY@151..152 "}"
      WHITESPACE@152..157 "\n    "
      MACRO_CALL@157..164
        PATH@157..161
          PATH_SEGMENT@157..161
            NAME_REF@157..161
              IDENT@157..161 "test"
        BANG@161..162 "!"
        TOKEN_TREE@162..164
          L_CURLY@162..163 "{"
          R_CURLY@163..164 "}"
      WHITESPACE@164..165 "\n"
      R_CURLY@165..166 "}"
  WHITESPACE@166..167 "\n"