SOURCE_FILE@0..52
  FN@0..51
    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..51
      L_CURLY@9..10 "{"
      WHITESPACE@10..14 "\n   "
      LET_STMT@14..34
        LET_KW@14..17 "let"
        WHITESPACE@17..18 " "
        BIND_PAT@18..23
          MUT_KW@18..21 "mut"
          WHITESPACE@21..22 " "
          NAME@22..23
            IDENT@22..23 "p"
        WHITESPACE@23..24 " "
        EQ@24..25 "="
        WHITESPACE@25..26 " "
        RECORD_EXPR@26..33
          PATH@26..27
            PATH_SEGMENT@26..27
              NAME_REF@26..27
                IDENT@26..27 "F"
          RECORD_EXPR_FIELD_LIST@27..33
            L_CURLY@27..28 "{"
            RECORD_EXPR_FIELD@28..32
              NAME_REF@28..29
                IDENT@28..29 "x"
              COLON@29..30 ":"
              WHITESPACE@30..31 " "
              LITERAL@31..32
                INT_NUMBER@31..32 "5"
            R_CURLY@32..33 "}"
        SEMICOLON@33..34 ";"
      WHITESPACE@34..38 "\n   "
      EXPR_STMT@38..49
        BIN_EXPR@38..48
          FIELD_EXPR@38..43
            BLOCK_EXPR@38..41
              L_CURLY@38..39 "{"
              PATH_EXPR@39..40
                PATH@39..40
                  PATH_SEGMENT@39..40
                    NAME_REF@39..40
                      IDENT@39..40 "p"
              R_CURLY@40..41 "}"
            DOT@41..42 "."
            NAME_REF@42..43
              IDENT@42..43 "x"
          WHITESPACE@43..44 " "
          EQ@44..45 "="
          WHITESPACE@45..46 " "
          LITERAL@46..48
            INT_NUMBER@46..48 "10"
        SEMICOLON@48..49 ";"
      WHITESPACE@49..50 "\n"
      R_CURLY@50..51 "}"
  WHITESPACE@51..52 "\n"