Fmt &hex() { base = HEX; return *this; }
Fmt &oct() { base = OCT; return *this; }
Fmt &bin() { base = BIN; return *this; }
+ Fmt &autobase() { base = AUTOBASE; return *this; }
Fmt &uppercase(bool u = true) { ucase = u; return *this; }
Fmt &numeric() { type = NUM; return *this; }
Fmt &character() { type = CHAR; return *this; }