SOURCE_FILE@0..43
  FN@0..42
    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..42
      L_CURLY@9..10 "{"
      WHITESPACE@10..15 "\n    "
      LET_STMT@15..40
        LET_KW@15..18 "let"
        WHITESPACE@18..19 " "
        PLACEHOLDER_PAT@19..20
          UNDERSCORE@19..20 "_"
        WHITESPACE@20..21 " "
        EQ@21..22 "="
        WHITESPACE@22..23 " "
        CAST_EXPR@23..39
          REF_EXPR@23..25
            AMP@23..24 "&"
            LITERAL@24..25
              INT_NUMBER@24..25 "1"
          WHITESPACE@25..26 " "
          AS_KW@26..28 "as"
          WHITESPACE@28..29 " "
          POINTER_TYPE@29..39
            STAR@29..30 "*"
            CONST_KW@30..35 "const"
            WHITESPACE@35..36 " "
            PATH_TYPE@36..39
              PATH@36..39
                PATH_SEGMENT@36..39
                  NAME_REF@36..39
                    IDENT@36..39 "i32"
        SEMICOLON@39..40 ";"
      WHITESPACE@40..41 "\n"
      R_CURLY@41..42 "}"
  WHITESPACE@42..43 "\n"