Sorry for my poor English. I meant it as implementing Scheme or some such interpreter with first-class continuation in FORTRAN77 by the method. One will be ab

Sorry for my poor English. I meant it as implementing Scheme or some such interpreter with first-class continuation in FORTRAN77 by the method. One will be able to write mapcar in FORTRAN77, but in the same way as one write the IF special form of the interpreter.