c# - .NET interface/constraint for object that implements certain operators -

c# - .NET interface/constraint for object that implements certain operators -

i making generic method , wondering if there way of adding constraint generic type t, such t has operator, +, +=, -, -=, etc.

public void testadd<t>(t t1, t t2) { homecoming t1 + t2; }

produces next error text:

operator '+' cannot applied operands of type 't' , 't'

i searched around on google/so while , couldn't find related.

i think cannot done

you can less fancy :

interface iaddable { void add(object item); } ... public void testadd<t>(t t1, t t2) t : iaddable { homecoming t1.add(t2); }

c# .net generics operators operator-overloading