Create an object of type Choice3 having the default value. Use the optionally specified basicAllocator to supply memory. If basicAllocator is 0, the currently installed default allocator is used.
Choice3
basicAllocator
Declared in <balb_testmessages.h>
<balb_testmessages.h>
explicit Choice3(bslma::Allocator* basicAllocator = 0);