Re: Problem with smobs

[Joris van der Hoeven]

On Tue, May 30, 2006 at 11:55:56AM +0200, R. Mattes wrote:
> On Tue, 2006-05-30 at 11:22 +0200, Joris van der Hoeven wrote:
> > Hi all,
> > 
> > I noticed a strange problem with the memory allocation of smobs and
> > I fail to understand whether I am doing something wrong or whether
> > this is a bug in Guile.
> > 
> > Consider the (C++) smob code attached below to this message.
> > All memory allocations are done from within C++, so the free_mysmob
> > function returns 0. Now consider the following session:
> 
> Since you seem to test from the REPL: do you have value history enabled
> by accident (something like "(use-modules (ice-9 history))" in your
> guile init file)? Anything printed will be kept bound to $1, $2 ... $n.

No, the example comes from an interactive TeXmacs session without history.
The problem seems to be due to a side-effect of display concerning
the print state. It might be good to document this side-effect.

Thanks, Joris