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lisp-range.html
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<!-- 2022-08-19 Fri 22:21 -->
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<title>Python range operator in lisp.</title>
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<div id="content" class="content">
<h1 class="title">Python range operator in lisp.</h1>
<p>
I've sometimes wanted a quick 'range' equivalent in common lisp. There are likely other or easier ways to do it
but this way is mine.
</p>
<p>
Simple example to make a list for use:
</p>
<pre class="example" id="orgba7cf32">
(loop for i from 1 to 5 collect i)
</pre>
<p>
Easy, runs from 1 to 5, makes a list, its not lazy.. I don't think, but maybe there is a better generator.
</p>
<p>
Say if only evens were desired:
</p>
<div class="org-src-container">
<pre class="src src-lisp">(loop for i from 1 to 10 do (when (evenp i)) collect i)
</pre>
</div>
<p>
note: that none of this is lazy, its not ideal.
</p>
<p>
There used to be another github library titled "Generators The Way I Want Them Generated" which looks really cool
but the account ahs been deleted. I have a clone of a the source on quicklisp/ultralisp
<a href="https://github.com/wmealing/gtwiwtg">https://github.com/wmealing/gtwiwtg</a> although it seems that mr cbeo (the original owner) account has
terminated.
</p>
<p>
The other alternative is 'snakes' which is available from <a href="https://github.com/BnMcGn/snakes">https://github.com/BnMcGn/snakes</a>.
</p>
<p>
When I get around to needing the lazyness of them, i'll put some demos here.
</p>
<div id="outline-container-org03924a0" class="outline-2">
<h2 id="org03924a0">Resources:</h2>
<div class="outline-text-2" id="text-org03924a0">
<p>
<a href="https://github.com/BnMcGn/snakes">https://github.com/BnMcGn/snakes</a>
</p>
<p>
<a href="https://github.com/wmealing/gtwiwtg">https://github.com/wmealing/gtwiwtg</a> (not original)
</p>
</div>
</div>
</div>
<div id="postamble" class="status">
<p class="author">Author: Wade Mealing</p>
<p class="date">Created: 2022-08-19 Fri 22:21</p>
</div>
</body>
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