[Chicken-hackers] [PATCH] Fix #1422 by always stopping on the first list that's exhausted

[Peter Bex]

Hi all,

Here's a patch for #1422.  Fixing this was quite a slog for me, for
some reason.  Anyway, I realised that this means our srfi-1 egg is
currently incorrect as well, since it doesn't define its own version
of map and for-each:

#;1> (import srfi-1)
#;2> (map + '(1 2) '(1 2 3))
(2 4)
#;3> (map + '(1 2 3) '(1 2))

Error: (map) lists are not of same length: (())

I think both should return the same in standard SRFI-1.

Cheers,
Peter

0001-Make-map-and-for-each-behave-consistently-between-co.patch
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