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deanwampler/scala2-3-custom-controls.scala

Last active November 18, 2020 13:33
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Scala 3 braceless syntax and user-defined controls?
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scala2-3-custom-controls.scala
import scala.annotation.tailrec
@tailrec def loop(whileTrue: => Boolean)(f: => Unit): Unit =
f
if (whileTrue) loop(whileTrue)(f)
var i=5
loop(i > 0) {
println(i)
i -= 1
}
var j=5
loop(j > 0): // ERROR
println(j)
j -= 1
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