list, view and stream - An example to understand the differences

gistfile1.txt

#!/bin/sh
exec scala -deprecation -nocompdaemon "$0" "$@"
!#

val l=List(0, 1, 2)

var x=1

val m1=l.map(_ +x)                   // c1
val v1=l.view.map(_+x)               // c2
val s1=l.toStream.map(_+x)           // c3

x=2
println("--------- x=2 ---------")
println("the list    :"+m1)          // List(1, 2, 3)   c4
println("from view   :"+v1.toList)   // List(2, 3, 4)   c5
println("from stream :"+s1.toList)   // List(1, 3, 4)   c6

println("--------- x=3 ---------")
x=3
println("the list    :"+m1)          // List(1, 2, 3)   c7
println("from view   :"+v1.toList)   // List(3, 4, 5)   c8
println("from stream :"+s1.toList)   // List(1, 3, 4)   c9