Question

I am looking for a way to write something like this:

if (product.Category.PCATID != 10 && product.Category.PCATID != 11 && product.Category.PCATID != 16) {   }

In a shorthand way like below, which does not work of course:

if (product.Category.PCATID != 10 | 11 | 16) {   }

So is there shorthand way at all to do something similar ?

Answer 1

You could use an extension method:

    public static bool In<T>(this T source, params T[] list)
    {
        return list.Contains(source);
    }

And call it like:

  if (!product.Category.PCATID.In(10, 11, 16)) {  }