commit 806732750eb34131429f22b6bca46076e9ab16ca
Author: Josh Holtrop <jholtrop+git@gmail.com>
Date:   Thu Mar 10 17:41:28 2011 -0500

    add foreach.h

diff --git a/foreach.h b/foreach.h
new file mode 100644
index 0000000..7449731
--- /dev/null
+++ b/foreach.h
@@ -0,0 +1,14 @@
+
+#ifndef foreach
+
+#define foreach_iter_var(var) var ## _iter
+#define foreach(var, val) \
+    for (typeof(val.begin()) foreach_iter_var(var) = (val).begin(), \
+            _ = (val).begin(); \
+            foreach_iter_var(var) != (val).end(); \
+            foreach_iter_var(var)++, _ = (val).begin()) \
+        for (typeof(*foreach_iter_var(var)) var = *foreach_iter_var(var); \
+                _ != (val).end(); \
+                _ = (val).end())
+
+#endif