Re: Challenge: write a really really small front() for UTF8

[Anonymous]

dchar front(char[] s) {
    uint c = s[0];
    ubyte p = ~s[0];
    if (p>>7)
      return c;
    c = c<<8 | s[1];
    if (p>>5)
      return c;
    c = c<<8 | s[2];
    if (p>>4)
      return c;
    return c<<8 | s[3];
}