fun !dingus -string
return "dingle"
endfun

fun !jumpy
    set &x 0
    @loop
    equal $x 10 &cond
    if $cond %endloop
    add 1 $x &x
    println $x
    jump %loop
    @endloop
endfun

call !dingus &e
println $e

call !jumpy &x