From 4e2225a64d61a84aedab5d3054199a5229b23c04 Mon Sep 17 00:00:00 2001
From: Silvan Jegen <s.jegen@gmail.com>
Date: Fri, 23 Oct 2015 19:43:02 +0200
Subject: Comment finish method

---
 gwic.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gwic.go b/gwic.go
index c14a431..ace3fca 100644
--- a/gwic.go
+++ b/gwic.go
@@ -30,6 +30,8 @@ type work struct {
 	done chan struct{}
 }
 
+// By writing to w.done we make sure that the goroutine has finished
+// sending to the out channel before returning from this method.
 func (w *work) finish() {
 	close(w.c)
 	w.done <- struct{}{}
-- 
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