Create a nullable wrapper that refers to the same target as ref.
Declared in <bdlb_nullablevalueref.h>
ConstNullableValueRef(NullableValueRef<TYPE> const& ref);Create a nullable object wrapper that refers to the target object of the specified ref wrapper. Note that the created wrapper does not own a copy of the underlying nullable value, but instead refers to to it, and so the lifetime of the target must exceed the lifetime of the created wrapper.
| Name | Description |
|---|---|
| ref | wrapper whose target is shared |