end
end
+--- Retrieve all keys of given associative table.
+-- @param t Table to extract keys from
+-- @return Sorted table containing the keys
+function keys(t)
+ local keys = { }
+ if t then
+ for k, _ in kspairs(t) do
+ table.insert( keys, k )
+ end
+ end
+ return keys
+end
+
--- Clones the given object and return it's copy.
-- @param object Table value to clone
-- @param deep Boolean indicating whether to do recursive cloning