Better organized

luprex/syslua/tableutil.lua

@@ -0,0 +1,21 @@
+
+-- Coerce T to be a table.
+-- If T is a table, return it.  If not, return a blank table.
+function table.coerce(t)
+    if type(t) == "table" then
+        return t
+    else
+        return {}
+    end
+end
+
+-- Clear the table out.  Deletes all keys, removes any metatable.
+-- TODO: this doesn't work on tables that have __metatable metamethod.
+function table.rawclear(t)
+    for k in pairs(t) do
+        rawset(t, k, nil)
+    end
+    setmetatable(t, nil)
+    return t
+end
+