In XREPL, I followed the CL convention for "identifiers" that evaluate
to past results: ^, ^^, ^^^, etc. CL uses *, which won't work in
Racket.
Another alternative is what Guile does, use a number instead: $1, $2,
$3, etc.
Any opinions or personal preference in favor of one or the other?
--
((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:
http://barzilay.org/ Maze is Life!
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