# HG changeset patch
# User jbe
# Date 1408532273 -7200
# Node ID eb40d8ea7b9a8f5fb1e08aaabf20476ab12a32ed
# Parent  ed7a82f85e6fdada924e48dbec02d92e4f8fde81
Undo previous commit (doesn't work more than once)

diff -r ed7a82f85e6f -r eb40d8ea7b9a seqlua_ipairs_example.lua
--- a/seqlua_ipairs_example.lua	Wed Aug 20 12:47:33 2014 +0200
+++ b/seqlua_ipairs_example.lua	Wed Aug 20 12:57:53 2014 +0200
@@ -71,13 +71,13 @@
 --  4   Person #2
 --  5   Person #3
 
-function create_filter(f)
-  return coroutine.wrap(function(...)
-    for i, v in ipairs(...) do f(v) end
+function filter(f, iter, iter_s, iter_i)
+  return coroutine.wrap(function()
+    for i, v in ipairs(iter, iter_s, iter_i) do f(v) end
   end)
 end
 
-my_filter = create_filter(function(v)
+function filterfunc(v)
   local type_v = type(v)
   if type_v == "string" then
     coroutine.yield(v)
@@ -86,9 +86,9 @@
       coroutine.yield(true)
     end
   end
-end)
+end
 
-for v in my_filter, {"a", "b", 3, "c"} do  -- no closure is created
+for v in filter(filterfunc, {"a", "b", 3, "c"}) do
   print(v)
 end
 -- prints: