Create an Optional_Base object having the same value as the specified original object by moving the contents of original to the newly-created object. The allocator associated with original is propagated for use in the newly-created object. original is left in a valid, but unspecified state.
Declared in <bslstl_optional.h>
Optional_Base(BloombergLP::bslmf::MovableRef<Optional_Base> original) noexcept(/* see-below */);This function is potentially-throwing unless bsl::is_nothrow_move_constructible<t_TYPE>::value.