: std::runtime_error(what) {}
explicit missing_key_error(const char* what)
: std::runtime_error(what) {}
- ~missing_key_error();
+ ~missing_key_error() noexcept;
};
template<class T> inline
operator T const&() const{ return value_; }
// Basic interop with T:
- Flag& operator=(T const& that) { value_ = that; return *this; }
- Flag& operator=(T && that) { value_ = that; return *this; }
- bool operator==(T const& that) const { return value_ == that; }
- bool operator!=(T const& that) const { return value_ != that; }
- bool operator<(T const& that) const { return value_ < that; }
- bool operator>(T const& that) const { return value_ > that; }
- bool operator<=(T const& that) const { return value_ <= that; }
- bool operator>=(T const& that) const { return value_ >= that; }
+ template<class U>
+ Flag& operator=(U const& that) { value_ = that; return *this; }
+ template<class U>
+ Flag& operator=(U && that) { value_ = that; return *this; }
+ template<class U>
+ bool operator==(U const& that) const { return value_ == that; }
+ template<class U>
+ bool operator!=(U const& that) const { return value_ != that; }
+ template<class U>
+ bool operator<(U const& that) const { return value_ < that; }
+ template<class U>
+ bool operator>(U const& that) const { return value_ > that; }
+ template<class U>
+ bool operator<=(U const& that) const { return value_ <= that; }
+ template<class U>
+ bool operator>=(U const& that) const { return value_ >= that; }
};
}