sort_with_data
Description:
Example: Sort all items (with data):
public static int main (string[] args) {
	List<string> list = new List<string> ();	
	list.append ("3. entry");
	list.append ("1. entry");
	list.append ("2. entry");
	bool asc = true;
	list.sort_with_data ((a, b) => {
		return (asc)? strcmp (a, b) : strcmp (b, a);
	});
	// Output:
	//  ``1. entry``
	//  ``2. entry``
	//  ``3. entry``
	foreach (string str in list) {
		print ("%s\n", str);
	}
	return 0;
}valac --pkg glib-2.0 GLib.List.sort_with_data.vala