LispForum

There are several unit test packages for CL. I use one called five-am.

You can import the symbols you need into a separate test package, there is no need to mess up your original package when running tests.

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Ayup, I'm trying to create a macro binding a symbol in the same manner as with-open-file(): (defmacro with-experiment ((experiment file) &body body) `(let* ((,experiment (read-experiment-file ,file))) ,@body)) This works but I'm a bit worried that "file" is evaluated before "exper...

I have a few questions. If there is more than one variable with the same value, are there two places in memory with the same value or do they both point to the same address in memory? It is my understanding that this is often the case for numbers and characters, but that you can't rely on it. See t...

Thanks, I didn't notice that structs aren't exported and is only described in the code.

Any symbol for the struct does indeed work fine.


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Is it possible to assign a separate lisp name for foreign structs in cffi? ie. in LispWorks FLI one can do (fli:define-c-struct (do-foo :foreign-name "do_foo") ...) But as far as I can see there is no similar option for cffi. Is it the case that the defcstruct name can be arbitrary and is ...

Thanks, didn't think of looking at the source


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What is the difference between these two cffi functions? The fine manual is rather terse about this and I haven't managed to make them do something different yet.


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Thanks for your reply. I'll try out *load-truename* as soon as I can. I am very curious if it is properly bound when using an executable created with saveinitmem. You need to check both *load-truename* and *compile-file-truename* since your code may be either evaluated or compiled. My preferred app...

Ayup we generally do "unit" testing and delivery builds in fresh images to avoid old macro definitions and other stale fasl problems. Here we have to use (asdf:operate 'asdf:load-op :blabla :force t) to force recompilation of all the lisp files in our project. But this recompiles all our d...

Ayup, thanks for you r extensive replies! Coincidentally, this morning I ended up using Getopt for a small script. Your previous post must have planted a seed because I haven't written a Lisp program invokable from the shell for a very long time. It seemed to work well and was simple to get working....