combinators ABAP XHWX subroutines AWK Xlib memoization PLEX longjmp printf OOP eval Actionscript Datatype BitC Ratfor Kolupu Tcl CFYK highlited AutoLISP 61131 unevaluated applicative Simula Lisp KQampR JASS najitool Cg Refal tarpits Baltie NewtonScript KKAI VisualAge HLSL Perl libffi