How to restrict T to value types using a constraint?

Question

I want to restrict the possible types N can take-on using a constraint. I wish to restrict N to be either a int or a decimal.

public static Chart PopulateIn         


        

Answer 1

As Pieter said, you cannot use a compile-time check to to this. However, you can do the following at runtime:

if(!(typeof(N).equals(typeof(int32))) && !(typeof(N).equals(typeof(decimal))))
  // do something