| This rule is Obsolete | |
| Synopsis: | Use a parameter of pointer type if the function stores the address or passes it to a function that does |
| Language: | C++ |
| Severity Level: | 9 |
| Category: | Class Interface |
| Description: |
A pointer is also required if the parameter can refer to no object, i.e. have the value nullptr. A reference cannot model this, because it is always linked to the same object with which it was initialized. |