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  1. object Main extends App {
  2. 	def isPrime(n: Int): Boolean =
  3. 	  n>1 && (2 to Math.sqrt(n).toInt).toList.forall(n%_!=0)
  4.  
  5. 	def primeStream(n: Int): Stream[Int] = isPrime(n) match{
  6. 	  case true => n#::primeStream(n+1)
  7. 	  case _ => primeStream(n+1)
  8. 	}
  9.  
  10. 	val primes = primeStream(0)
  11. 	println(primes.take(readInt).toList)
  12. }
Success #stdin #stdout 0.16s 322496KB
comments (?)
stdin 
11
stdout 
List(2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31)
https://ideone.com/lFO0ck
Stream Primes
language:
Scala (scala 2.12.8)
created:
8 years ago
visibility:
public

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