From 65ee4ccab215046042dab2754d809e9d0d2de362 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop+git@gmail.com>
Date: Wed, 27 Jan 2010 21:15:56 +0000
Subject: [PATCH] added an ipairs() table traversal function like the one from
 the basic library

git-svn-id: svn://anubis/anaglym/trunk@227 99a6e188-d820-4881-8870-2d33a10e2619
---
 ag.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/ag.cc b/ag.cc
index ae9d429..4d88b40 100644
--- a/ag.cc
+++ b/ag.cc
@@ -82,6 +82,18 @@ namespace ag
                "    return next, table, nil\n"
                "end\n"
 
+               "ipairs = function(table)\n"
+               "    local iter_func = function(t, i)\n"
+               "        i = i + 1\n"
+               "        if t[i] == nil then\n"
+               "            return nil\n"
+               "        else\n"
+               "            return i, t[i]\n"
+               "        end\n"
+               "    end\n"
+               "    return iter_func, table, 0\n"
+               "end\n"
+
                "ag.createAMotor = function()\n"
                "end\n"
                );