Explicitly create an optional by moving from the specified std::optional original using the specified allocator.
optional
std::optional
original
allocator
Declared in <bslstl_optional.h>
<bslstl_optional.h>
template<class t_ANY_TYPE> explicit optional( std::allocator_arg_t, AllocType allocator, std::optional<t_ANY_TYPE>&& original);
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