Hey, I have found another bit of confusion between eval and compile.
Again, I suspect it's related to using a top level begin, but I'm not
sure why.
I have the following program:
#lang racket
(define prog #'(begin
(module foo racket
(#%plain-module-begin
(provide x)
(define x 5)))
(require 'foo)
x))
; (eval prog)
; (eval (compile prog))
When I uncomment the first line to run `(eval prog)` the program runs fine.
However, when I uncomment the second line to run `(eval (compile
prog))`, I get the following error:
define-values: assignment disallowed;
cannot re-define a constant
constant: x
Also, when I use syntax/toplevel and add the following line:
`(eval (compile (expand-syntax-top-level-with-compile-time-evals prog)))`
I get the same error.
Can you give me some intuition as to what the problem is here?
~Leif Andersen
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