Constructs the value from u, forwarding it if necessary.
Synopsis
Declared in <beman/optional/optional.hpp>
template<class U = T>
constexpr
explicit(!std::is_convertible_v<U, T>)
optional(U&& u)
requires detail::enable_forward_value<T, U>;Description
If u is convertible to T, this is an explicit constructor.
Constructs the stored value with u.
Parameters
Name |
Description |
u |
The object to move construct from |
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