Create a disengaged Optional_Base object if the specified original object is disengaged, and an Optional_Base object with the value of original.value() converted to t_TYPE otherwise. Use the currently installed default allocator to supply memory.
Declared in <bslstl_optional.h>
template<class t_ANY_TYPE>
Optional_Base(
BloombergLP::bslstl::Optional_CopyConstructFromStdOptional,
std::optional<t_ANY_TYPE> const& original);