docs: public static Node newStr(Pointer str, int len, ScalarStyle style) {
          Node n = allocStr();
          Data.Str s = (Data.Str)n.data;
          s.ptr = Pointer.create(new byte[len], 0);
          s.len = len;
          s.style = style;
          str.memcpy(s.ptr, len);
          return n;
      }