namespace std {
class underflow_error : public runtime_error {
public:
explicit underflow_error(const string& what_arg);
explicit underflow_error(const char* what_arg);
};
}The class
underflow_error
defines the type of objects thrown as exceptions to report an arithmetic underflow error
.underflow_error(const string& what_arg);
Effects:
Constructs an object of class
underflow_error. Postconditions:
strcmp(what(), what_arg.c_str()) == 0. underflow_error(const char* what_arg);
Effects:
Constructs an object of class
underflow_error. Postconditions:
strcmp(what(), what_arg) == 0.