void operator>>(const LexicalConverter &c, long long &v)
{ v = str_to_int<long long>(c.get(), c.get_fmt()); }
void operator>>(const LexicalConverter &c, unsigned long long &v)
{ v = str_to_int<unsigned long long>(c.get(), c.get_fmt()); }
void operator>>(const LexicalConverter &c, long long &v)
{ v = str_to_int<long long>(c.get(), c.get_fmt()); }
void operator>>(const LexicalConverter &c, unsigned long long &v)
{ v = str_to_int<unsigned long long>(c.get(), c.get_fmt()); }