public static BinaryRule[][][] CloneRules(BinaryRule[][][] rules)
{
if (rules == null)
{
return null;
}
return rules.Select(
x => x == null ? null : x.Select(
y => y == null ? null : y.Select(
z => z == null ? null : z.Clone()
).ToArray()
).ToArray()
).ToArray();
}
