Generic types constraint for the class in C#
Forums:
class Car {
public string Name { get; set; }
}
struct Truck {
public string Name { get; set; }
}
static void Swap<T>(ref T a, ref T b) where T : class {
var tmp = a;
a = b;
b = tmp;
}
var c1 = new Car { Name = "Cami" };
var c2 = new Car { Name = "Rush" };
Swap(ref c1, ref c2);
var t1 = new Truck { Name = "Kamaz" };
var t2 = new Truck { Name = "Ural" };
Swap(ref t1, ref t2);//<- Error
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