X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fiterators.lua;h=cc50482721b485b5ecce731c820813b0ad203284;hb=edd92fbc05125aab0b1fa14599f74bb5419f96a2;hp=ba33bc80b1e5ebb417dc6513ff5eaa9317a46390;hpb=95c64b70f7cb28745222146784181e866b515069;p=prosody.git

diff --git a/util/iterators.lua b/util/iterators.lua
index ba33bc80..cc504827 100644
--- a/util/iterators.lua
+++ b/util/iterators.lua
@@ -1,6 +1,6 @@
 -- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
@@ -90,6 +90,15 @@ function head(n, f, s, var)
 	end, s;
 end
 
+-- Skip the first n items an iterator returns
+function skip(n, f, s, var)
+	for i=1,n do
+		var = f(s, var);
+	end
+	return f, s, var;
+end
+
+-- Return the last n items an iterator returns
 function tail(n, f, s, var)
 	local results, count = {}, 0;
 	while true do