while loops are just tail recursion LOLOL!

gistfile1.txt

Welcome to Scala version 2.10.3 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_21).
Type in expressions to have them evaluated.
Type :help for more information.

scala> :power
** Power User mode enabled - BEEP WHIR GYVE **
** :phase has been set to 'typer'.          **
** scala.tools.nsc._ has been imported      **
** global._, definitions._ also imported    **
** Try  :help, :vals, power.<tab>           **

scala> reify { var i = 0; while(i < 10) { i += 1 }
     | }
res0: $r.intp.global.Expr[Unit] =
Expr[Unit]({
  var i = 0;
  while$1(){
    if (i.$less(10))
      {
        i = i.$plus(1);
        while$1()
      }
    else
      ()
  }
})

scala>