Archive of code pieces

Archive.h

//! Returns an optional created from the given value.
template <typename T>
inline typename std::enable_if<!std::is_rvalue_reference<T>::value, Optional<T>>::type
make_optional(typename std::decay<T>::type const& value)
{
    return Optional<T>(value);
}

//! Returns an optional created from the given moved value.
template <typename T>
inline typename std::enable_if<std::is_rvalue_reference<T>::value, Optional<T>>::type
make_optional(typename std::decay<T>::type&& value)
{
    return Optional<T>(std::forward<typename std::decay<T>::type>(value));
}