func string formatInt(int64 val, const string&in options = "", uint width = 0);
func string formatUInt(uint64 val, const string&in options = "", uint width = 0);
func string formatFloat(double val, const string&in options = "", uint width = 0, uint precision = 0);
func int64 parseInt(const string&in, uint base = 10, uint&out byteCount = 0);
func uint64 parseUInt(const string&in, uint base = 10, uint&out byteCount = 0);
func double parseFloat(const string&in, uint&out byteCount = 0);
func void print(const string&in);
func void print(const constString&in);
func void throw(const string&in);
func string getExceptionInfo();