Printing DB<type>

[Bellot]

class db<T> where T: struct{}
public static void Main(){
	db<int> d=new db<int>();
	displayDB<int>(d);
}

static void displayDB<T>(db<T> m){
	System.Console.Writeln(m);
}

This code can't pass thecompiler symptom check.
Thanks in advance

Bell