protected virtual member function

std::moneypunct::do_frac_digits

<locale>
int do_frac_digits() const;
Return fractional digits [virtual]
Virtual protected member function in charge of returning the number of fractional digits in a monetary expression, as described in public member function frac_digits (see moneypunct::frac_digits for details).

Polymorphic derived classes can redefine the behavior of this function.

See also