Commit 0af7e56

@@ -13,6 +13,10 @@ module Del
       @lock.synchronize { @storage[id.to_s] }
     end
 
+    def find_by_value
+      @lock.synchronize { @storage.values.find { |x| yield x } }
+    end
+
     def find_all
       @lock.synchronize { @storage.keys }
     end