#include <nullable.hpp>
template<class To1, class From1, class To2, class From2>
std::add_lvalue_reference_t<To1>,
and std::is_assignable_v<
std::add_lvalue_reference_t<To2>,
std::conditional_t< std::is_reference_v< T >, const std::decay_t< U > &, std::decay_t< U > && > conditional_ref_t
Definition at line 208 of file nullable.hpp.