// retoor <retoor@molodetz.nl>

import "scheduler" for Scheduler, Future

var isPositive = async { |x| x > 0 }
var getValue = async { |x| x }

if (await isPositive(5)) {
    System.print("positive") // expect: positive
}

if (await isPositive(-5)) {
    System.print("unreachable")
} else {
    System.print("negative") // expect: negative
}

var result = await isPositive(10) ? "yes" : "no"
System.print(result) // expect: yes

while (await getValue(false)) {
    System.print("unreachable")
}
System.print("after while") // expect: after while