SOURCE_FILE@0..47
  FN@0..45
    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..45
      L_CURLY@9..10 "{"
      WHITESPACE@10..15 "\n    "
      EXPR_STMT@15..24
        EFFECT_EXPR@15..23
          ASYNC_KW@15..20 "async"
          WHITESPACE@20..21 " "
          BLOCK_EXPR@21..23
            L_CURLY@21..22 "{"
            R_CURLY@22..23 "}"
        SEMICOLON@23..24 ";"
      WHITESPACE@24..29 "\n    "
      EXPR_STMT@29..43
        EFFECT_EXPR@29..42
          ASYNC_KW@29..34 "async"
          WHITESPACE@34..35 " "
          MOVE_KW@35..39 "move"
          WHITESPACE@39..40 " "
          BLOCK_EXPR@40..42
            L_CURLY@40..41 "{"
            R_CURLY@41..42 "}"
        SEMICOLON@42..43 ";"
      WHITESPACE@43..44 "\n"
      R_CURLY@44..45 "}"
  WHITESPACE@45..47 "\n\n"