diff options
| -rw-r--r-- | synapse/util/lrucache.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/util/lrucache.py b/synapse/util/lrucache.py index 65d5792907..2f7b615f78 100644 --- a/synapse/util/lrucache.py +++ b/synapse/util/lrucache.py @@ -90,12 +90,16 @@ class LruCache(object): def cache_len(): return len(cache) + def cache_contains(key): + return key in cache + self.sentinel = object() self.get = cache_get self.set = cache_set self.setdefault = cache_set_default self.pop = cache_pop self.len = cache_len + self.contains = cache_contains def __getitem__(self, key): result = self.get(key, self.sentinel) @@ -114,3 +118,6 @@ class LruCache(object): def __len__(self): return self.len() + + def __contains__(self, key): + return self.contains(key) |