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// Compiler options: -langversion:experimental
using System;
enum MyEnum : short
{
V_4 = 4
}
class ConstantPattern
{
static bool Generic<T> (T t) where T : class
{
return t is default (T);
}
public static int Main ()
{
bool b4 = false;
b4 = !b4;
object o = "x";
bool r1 = o is "y";
if (r1)
return 1;
r1 = o is "x";
if (!r1)
return 2;
string s = "o";
if (s is null)
return 3;
if (s is "oo")
return 4;
if (!(s is "o"))
return 5;
int? o3 = 4;
bool r3 = o3 is null;
if (r3)
return 6;
r3 = o3 is 4;
if (!r3)
return 7;
object o4 = (byte?)255;
var ggg = o4 is 255;
if (!ggg)
return 8;
if (o4 is null)
return 9;
object o5 = (double)-255;
if (!(o5 is -byte.MaxValue))
return 10;
object o6 = MyEnum.V_4;
bool r4 = o6 is 4;
if (r4)
return 11;
r4 = o6 is MyEnum.V_4;
if (!r4)
return 12;
ConstantPattern o7 = new ConstantPattern ();
if (!(o7 is ConstantPattern))
return 13;
if (!(o7 is object))
return 14;
object o8 = true;
if (o8 is false)
return 15;
if (!(o8 is true))
return 16;
if (Generic (""))
return 17;
if (!Generic<Delegate> (null))
return 18;
Console.WriteLine ("ok");
return 0;
}
}
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