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[Chicken-users] Re: A few questions
From: |
Hans Nowak |
Subject: |
[Chicken-users] Re: A few questions |
Date: |
Tue, 29 Jan 2008 14:08:57 -0500 |
User-agent: |
Thunderbird 2.0.0.0 (Macintosh/20070326) |
First of all, thanks to everybody who replied.
Re docstrings: My next question would be, is it possible to add them (e.g. as a
library)? And would it be desirable to do so? Apparently it is already
possible to write code like:
(define (foo x)
"docstring for foo"
...body...)
It just has no effect, currently (or so I assume). Would it be possible to
write a function/macro/etc like this:
> (get-docstring foo)
"docstring for foo"
...?
The reason I am asking is that someone suggested I should write doctest for
Scheme. For those not familiar with it, this is a Python module that allows you
to add tests to docstrings. It does so by emulating the interactive
interpreter; e.g. you could write:
(define (plus a b)
"Add two numbers.
>>> (plus 2 2)
4
>>> (plus 1 2 3)
Error: bad argument count
"
...implementation...)
More here:
http://docs.python.org/lib/module-doctest.html
Does Chicken have something similar? It doesn't have docstrings, but it would
still be possible to write unit tests like you're typing them in the REPL. I
did not find an egg that does this kind of testing, though. Does such a library
exist? Would it be useful to have?
Re using files as modules and scripts: I just found csi's -ss option, which
pretty much does what I want, although in a different way.
Anyway, I have another question: when you define a function, how much
"introspection" is possible? E.g. from another thread ("Runtime arity") I
learned that it's possible to get the function's signature. Is there also a way
to get e.g. the function's body? (My guess is, probably not, but I thought I'd
ask.)
Thanks,
--Hans
- [Chicken-users] A few questions, Hans Nowak, 2008/01/29
- Re: [Chicken-users] A few questions, Alex Queiroz, 2008/01/29
- Re: [Chicken-users] A few questions, Kon Lovett, 2008/01/29
- [Chicken-users] Re: A few questions,
Hans Nowak <=
- Re: [Chicken-users] Re: A few questions, Kon Lovett, 2008/01/29
- [Chicken-users] Re: A few questions, Hans Nowak, 2008/01/29
- Re: [Chicken-users] Re: A few questions, John Cowan, 2008/01/29
- Re: [Chicken-users] Re: A few questions, Kon Lovett, 2008/01/29
- Re: [Chicken-users] Re: A few questions, John Cowan, 2008/01/29
- Re: [Chicken-users] Re: A few questions, Elf, 2008/01/31
- Re: [Chicken-users] Re: A few questions, Alex Queiroz, 2008/01/31
- Re: [Chicken-users] Re: A few questions, David Brown, 2008/01/31