C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
	public class A{}
	public class B{}
	
	public static int Void<T>() => default(T) switch
	{
		A _ => 0,
		B _ => 1,
		_ => 2			
	};
	
	public static void Main()
	{
		System.Console.WriteLine(Void<A>());
	    System.Console.WriteLine(Void<B>());
	}
}

 
using System;
                    
public class Program
{
    public class A{}
    public class B{}
    
    public static int Void<T>() => default(T) switch
    {
        A _ => 0,
        B _ => 1,
        _ => 2          
    };
    
    public static void Main()
    {
        System.Console.WriteLine(Void<A>());
        System.Console.WriteLine(Void<B>());
    }
}

i is 'Hello'
j is ''
js is null? True
x is ''
x1 is 'Hello'
s2 is null? True
x2 is ''

Can't call x2.Trim()! Exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Program.Main() in c:\Windows\Temp\vu1kpcs2.0.cs:line 35

Cached Result
Last Run:	9:57:49 pm
Compile:	0.11s
Execute:	0s
Memory:	8kb
CPU:	0s

View IL Code