# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1460719160 -7200
# Node ID 8ca7f1c2c660e87937a2ea6c61c5308e165f5f08
# Parent  11434c46b7b77aaea0fd8e0c8f96dbe7b860ec31
util.cache: Add method for iterating over values

diff -r 11434c46b7b7 -r 8ca7f1c2c660 util/cache.lua
--- a/util/cache.lua	Wed Apr 13 20:00:41 2016 +0200
+++ b/util/cache.lua	Fri Apr 15 13:19:20 2016 +0200
@@ -88,6 +88,18 @@
 	end
 end
 
+function cache_methods:values()
+	local m = self._head;
+	return function ()
+		if not m then
+			return;
+		end
+		local v = m.value;
+		m = m.next;
+		return v;
+	end
+end
+
 function cache_methods:count()
 	return self._count;
 end