| layout | pattern | |
|---|---|---|
| title | Marker Interface | |
| folder | marker | |
| permalink | /patterns/marker/ | |
| categories | Structural | |
| language | en | |
| tags |
|
Using empty interfaces as markers to distinguish special treated objects.
Use the Marker Interface pattern when
- you want to identify the special objects from normal objects (to treat them differently)
- you want to mark that some object is available for certain sort of operations