fn test_bitness(){
  mut x := 0
  $if x32 {
    println('system is 32 bit')
    x = 1
  }
  $if x64 {
    println('system is 64 bit')
    x = 2
  }
  assert x > 0
}

fn test_endianness(){
  mut x := 0
  $if little_endian {
    println('system is little endian')
    x = 1
  }
  $if big_endian {
    println('system is big endian')
    x = 2
  }
  assert x > 0
}