[gambit-list] letrec in the interpreter
Christian
christian at pflanze.mine.nu
Fri Sep 30 18:02:00 EDT 2005
Hello
I've noticed a discrepancy between the interpreter and the compiler:
in both of these cases:
(define (run n)
(letrec
((x (+ n 1))
(y (+ x x)))
(display y)
(newline)))
(define (run n)
(define x (+ n 1))
(define y (+ x x))
(display y)
(newline))
(run 1) outputs 4 when compiled. When interpreted, it gives a "number
expected, (+ #!unbound #!unbound)" exception.
(Thanks to Rickdangerous on irc for the example.)
Christian.
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