From 3ca7c39b736b5516fa492df5d42eed889d21e3b2 Mon Sep 17 00:00:00 2001
From: Marin Atanasov Nikolov <dnaeon@gmail.com>
Date: Mon, 26 Jan 2015 15:15:14 +0200
Subject: [PATCH] Implement __contains__() special method for TaskRegistry
 class

---
 src/vpoller/registry.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/vpoller/registry.py b/src/vpoller/registry.py
index ee94698..c259be7 100644
--- a/src/vpoller/registry.py
+++ b/src/vpoller/registry.py
@@ -38,6 +38,9 @@ class TaskRegistry(object):
     def __init__(self):
         self._registry = {}
 
+    def __contains__(self, item):
+        return item in self._registry
+
     def register(self, name, required, fn):
         """
         Register a new task