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using System;
public class MyUInt32
{
public uint x;
public MyUInt32 (uint x)
{
this.x = x;
}
public static implicit operator uint (MyUInt32 v)
{
return v.x;
}
public static implicit operator long (MyUInt32 v)
{
throw new ApplicationException ();
}
public static implicit operator MyUInt32 (uint v)
{
return new MyUInt32 (v);
}
public static implicit operator MyUInt32 (long v)
{
throw new ApplicationException ();
}
}
class Test
{
static MyUInt32 test1 (MyUInt32 x)
{
x = x + 1;
return x;
}
static MyUInt32 test2 (MyUInt32 x)
{
x++;
return x;
}
static MyUInt32 test3 (MyUInt32 x)
{
++x;
return x;
}
public static int Main ()
{
var m = new MyUInt32 (2);
m = test1 (m);
if (m.x != 3)
return 1;
m = new MyUInt32 (2);
m = test2 (m);
if (m.x != 3)
return 2;
m = new MyUInt32 (3);
m = test3 (m);
if (m.x != 4)
return 3;
return 0;
}
}
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