BloombergLP::bslstl::Optional_Base::Optional_Base

If the specified original contains a value, create an Optional_Base object whose contained value is initialized from *original. Otherwise, create a disengaged Optional_Base object. Use the specified allocator to supply memory.

Synopsis

Declared in <bslstl_optional.h>

Optional_Base(
    std::allocator_arg_t,
    allocator_type allocator,
    Optional_Base const& original);