protected virtual member function
<locale>

std::moneypunct::do_negative_sign

string_type do_negative_sign() const;
Return negative sign string [virtual]
Virtual protected member function called by moneypunct::negative_sign to get the negative sign.

Polymorphic derived classes can overwrite the behavior of this function.

See moneypunct::negative_sign for its default behavior in moneypunct.

See also

moneypunct::negative_sign
Return negative sign string (public member function )

C++