@ -345,7 +345,7 @@ class Option {
template<class T, class U>
void append(T *pvar, const U& defaultVal, bool isMust, const char *opt, const std::string& help = "")
{
*pvar = defaultVal;
*pvar = static_cast<const T&>(defaultVal);
appendSub(pvar, N_is1, isMust, opt, help);
}
/*