From d07118c3d0df55d947812b38559549ff40b52f08 Mon Sep 17 00:00:00 2001
From: Robert Gleeson <rob@flowof.info>
Date: Sat, 17 Nov 2012 02:16:34 +0100
Subject: [PATCH] Add IChannel#closed?.

---
 lib/ichannel.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/ichannel.rb b/lib/ichannel.rb
index 9c32cfb..a0e5ba2 100644
--- a/lib/ichannel.rb
+++ b/lib/ichannel.rb
@@ -9,6 +9,14 @@ def initialize(serializer)
     @serializer = serializer 
   end
 
+  #
+  # @return [Boolean]
+  #   Returns true when the channel is closed.
+  #
+  def closed?
+    @reader.closed? && @writer.closed?
+  end
+
   #
   # Close the channel.
   #