- floatToStr
string floatToStr(T val, int width, int after_point, bool remove_trailing_zeros, PlusSig plus_sig, char fill_char)
- floatToStrSci
string floatToStrSci(T val, int width, int after_point, PlusSig plus_sig, char fill_char)
- intToStr
string intToStr(T val, int width, PlusSig plus_sig, int base, char fill_char)
- pFormat
string pFormat(string fmt, Args args)