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Re: EVAL should not destructively modify its first argument
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From: |
Marius Vollmer |
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Subject: |
Re: EVAL should not destructively modify its first argument |
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Date: |
09 May 2001 22:34:27 +0200 |
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User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.0.102 |
Matthias Koeppe <address@hidden> writes:
> In the current CVS version, I type:
>
> guile> (define x '(begin 1))
> guile> (eval x (resolve-module '(guile-user)))
> 1
> guile> x
> (address@hidden 1)
>
> EVAL destructively modifies its first argument (is this `memoizing'?).
> This is a bug. The argument passed to EVAL must not be modified.
Fixed! Thanks!
I introduced the bug when moving around some code and deleted the call
to scm_copy_tree in the process...