Code shared from run.dlang.io.

main.d

import std;
void main()
{
 byte a = 2;
 ulong b = 50000000000UL;
  long c = -10000L;
  ubyte d = 130;
    writeln("a(byte)=",a);
    writeln("b(ulong)=",b);
    writeln("c(long)=",c) ; 
    writeln("d(ubyte)=",d);
}