beman::optional::optional<T&>::value_or

Returns the contained value if there is one, otherwise returns u.

Synopsis

template<class U = std::remove_cv_t<T>>
constexpr
std::remove_cv_t<T>
value_or(U&& u) const;

Return Value

std::remove_cv_t<T>

Template Parameters

Name	Description
U	The type of the alternate value

Parameters

Name	Description
u	The value to return in the empty case