Excellent suggestion, thanks. In my case the solution was to have the postfix "led" make a copy of its "left" argument, then modify the original to have a new "id", signifying the postfix operation, with the copy as its "first" argument. Works beautifully.
Excellent suggestion, thanks. In my case the solution was to have the postfix "led" make a copy of its "left" argument, then modify the original to have a new "id", signifying the postfix operation, with the copy as its "first" argument. Works beautifully.