//valid,Hello, World! //4242test2Falsetesttesttest:END: "Hello, World!" println 43 foo foo deq // Dequeues, enqueues 42 and 17, prints the head function int => int foo { deq 42 17 intToStr req print } "test2" print false check print function bool => str check { if { "True" } else { "False" } } function int => whileFunction { dup 0 req > req while { 1 - 0 dup > "test" req req print req } deq } 3 whileFunction