// retoor <retoor@molodetz.nl>
import "scheduler" for Scheduler, Future
var transform = async { |list, fn|
var result = []
for (item in list) {
result.add(fn.call(item))
}
return result
}
var doubled = await transform([1, 2, 3]) { |x| x * 2 }
System.print(doubled) // expect: [2, 4, 6]
var squared = await transform([2, 3, 4]) { |x| x * x }
System.print(squared) // expect: [4, 9, 16]