From 28d83d9d2a01d764294a996bb3e8e64d949baac7 Mon Sep 17 00:00:00 2001
From: beuchatp <beuchatp@control.ee.ethz.ch>
Date: Fri, 1 Dec 2017 07:00:07 +0100
Subject: [PATCH] Fixed typos in rostopic FAQ
---
pps_wiki/faq.md | 1 +
1 file changed, 1 insertion(+)
diff --git a/pps_wiki/faq.md b/pps_wiki/faq.md
index cb8e93d9..9616a8e9 100644
--- a/pps_wiki/faq.md
+++ b/pps_wiki/faq.md
@@ -270,6 +270,7 @@ if (true)
ros::Subscriber my_subscriber = nodeHandle.subscribe("/fortytwo",1,fortytwoCallback);
}
```
+
then the subscriber only exists while the code between the ``{}`` is being exectuted and it is removed after the ``if`` statement has finished executing. To make the subscriber persist, then you need to declare the subscriber varaible outside of the ``if`` statement's context, i.e.,
```
ros::Subscriber my_subscriber;
--
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