<div dir="ltr">Thanks, Ivan! It looks exciting. Is there a demo file floating around somewhere? Martin Erwig's old site [1] for FGL includes some demonstration code, which builds on a file called "test.hs" [2]; I know the site is obsolete but are those aspects of it still useful?<div><div><br></div><div>[1] <a href="https://web.engr.oregonstate.edu/~erwig/fgl/haskell/">https://web.engr.oregonstate.edu/~erwig/fgl/haskell/</a></div></div><div>[2] <a href="https://web.engr.oregonstate.edu/~erwig/fgl/haskell/test.hs">https://web.engr.oregonstate.edu/~erwig/fgl/haskell/test.hs</a></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jul 22, 2015 at 6:07 AM, Ivan Lazar Miljenovic <span dir="ltr"><<a href="mailto:ivan.miljenovic@gmail.com" target="_blank">ivan.miljenovic@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I'm pleased to announce that I've (finally!) just released version<br>
5.5.2.0 of [fgl]. Major changes in this release include a test suite,<br>
refactorings, code clean-ups and the following potentially breaking<br>
changes (in that they were previously unspecified or incorrect):<br>
<br>
<br>
- `nodeRange` and `nodeRangeM` for the various graph data<br>
structures erroneously returned `(0,0)` for empty graphs (making<br>
them indistinguishable from graphs containing the single node<br>
`0`). They now match the default implementation of throwing an<br>
error.<br>
<br>
- The behaviour of `delLEdge` when dealing with multiple edges was<br>
unspecified; it now deletes only a single edge and the new<br>
function `delAllLEdge` deletes all edges matching the one<br>
provided.<br>
<br>
All changes can be found in the changelog.<br>
<br>
[fgl]: <a href="https://hackage.haskell.org/package/fgl" rel="noreferrer" target="_blank">https://hackage.haskell.org/package/fgl</a><br>
<br>
Along with this I'm releasing version 0.2.0.0 of [fgl-arbitrary] (i.e.<br>
the "I finally build against the version on Hackage" release).<br>
<br>
[fgl-arbitrary]: <a href="https://hackage.haskell.org/package/fgl-arbitrary" rel="noreferrer" target="_blank">https://hackage.haskell.org/package/fgl-arbitrary</a><br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Ivan Lazar Miljenovic<br>
<a href="mailto:Ivan.Miljenovic@gmail.com">Ivan.Miljenovic@gmail.com</a><br>
<a href="http://IvanMiljenovic.wordpress.com" rel="noreferrer" target="_blank">http://IvanMiljenovic.wordpress.com</a><br>
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</font></span></blockquote></div><br></div>