From 3cd348e8f72b2359f3169cfe11f9fc5e2046da70 Mon Sep 17 00:00:00 2001
From: William Ballenthin <william.ballenthin@fireeye.com>
Date: Mon, 31 May 2021 10:27:44 -0600
Subject: [PATCH] rules: implement __contains__ for RuleSet

---
 capa/rules.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/capa/rules.py b/capa/rules.py
index e19bd713..16e25e28 100644
--- a/capa/rules.py
+++ b/capa/rules.py
@@ -891,6 +891,9 @@ class RuleSet(object):
     def __getitem__(self, rulename):
         return self.rules[rulename]
 
+    def __contains__(self, rulename):
+        return rulename in self.rules
+
     @staticmethod
     def _get_rules_for_scope(rules, scope):
         """