public override int GetHashCode()
{
unchecked
{
var hashCode = NodeValue;
hashCode = (hashCode * 397) ^ Frequincy.GetHashCode();
hashCode = (hashCode * 397) ^ (RightNode != null ? RightNode.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ (LeftNode != null ? LeftNode.GetHashCode() : 0);
return(hashCode);
}
}
