How to define a terabyte constant in Scala

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/*
  Scala's Long type is a signed 64‑bit integer.
  Maximum value: 9,223,372,036,854,775,807 (~9.22 × 10^18)

  Terabyte sizes:

      1 TiB = 2^40  = 1,099,511,627,776 bytes
      1 TB  = 10^12 = 1,000,000,000,000 bytes

  Both values fit safely inside a Long.
*/

object TerabytesExample {

  // Binary terabyte (tebibyte), using a bit shift.
  // 1L << 40 = 2^40 bytes.
  final val TerabyteTiB: Long = 1L << 40

  // Decimal terabyte (SI), using a readable numeric literal.
  final val TerabyteTB: Long = 1_000_000_000_000L

  def main(args: Array[String]): Unit = {
    println(s"1 TiB = $TerabyteTiB bytes")
    println(s"1 TB  = $TerabyteTB bytes")
  }
}



/*
run:

1 TiB = 1099511627776 bytes
1 TB  = 1000000000000 bytes

*/

 



answered May 3 by avibootz
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