medium-fp-containingimperative.ps1

# this outer scope contains only immutable variables
$var = & {
    # this scope contains mutable temporary variables
    $queue = [System.Collections.Generic]::new()
    $queue.Enqueue(@{Id = 1})
    while ($queue.Count) {
        $jobInfo = $queue.Dequeue()
        $newJobInfo = Update-RemoteJob $jobInfo # non-deterministic
        if ($newJobInfo) {
            $queue.Enqueue($newJobInfo)
        }
    }
    Get-RemoteResult # output a value to assign to `$var`
}