mrdocs::Expected::Expected

template<
    class U,
    class G>
requires std::is_constructible_v<T, U const&> &&
        std::is_constructible_v<E, G const&> &&
        (!constructible_from_expected<U, G>)
constexpr
explicit(explicit_conv<const U &, const G &>)
Expected(Expected<U, G> const& x) noexcept(std::is_nothrow_constructible_v<T, const U &> && std::is_nothrow_constructible_v<E, const G &>);