Create a user field value having the unset value.
Declared in <ball_userfieldvalue.h>
explicit
UserFieldValue(bslma::Allocator* basicAllocator = 0);Optionally specify a basicAllocator used to supply memory. If basicAllocator is 0, the currently installed default allocator is used.
| Name | Description |
|---|---|
| basicAllocator | memory allocator; null uses the default |