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Thursday, October 28, 2021

May you live in interesting times

Hey everybody.

So last February now, I, in a fit of optimism, thought I'd take on the Guile Potluck duties for 2021: asking people to submit the fun stuff they were up to, and then I'd blog about it. That didn't happen, for which I humbly apologize. But I should know by now that every time I actually commit to something publicly visible in free software, reality intervenes. So from now on, I promise that I will never again commit to anything.

But life is getting better, my vision problems are improving. My back is all healed and I can actually sit in an office chair all day without pain.

So yeah.

Anyway, while I shy away from term commitment, I do have intention to make good on old promises.

In the meantime (and one of the reasons I'm actually talking about feelings on this backup blog right now instead of my standard repository of feelings) I do have to do something about my always-neglected primary website Lonely Cactus which apparently has gone to blog heaven.  A pity. There was some cool stuff on there.

My hope is to get Lonely Cactus up and running on a different set of technologies, as a learning exercise.  Maybe a GNU/Hurd VM. Maybe Guix.  Because if you're going to do something weird, might as well go all the way.

But in real life, if you're keeping score, I have returned to /dev/null. Single again, no kids in the house anymore, unfit, no church life to speak of. I still own this dilapidated, century-old house in Los Angeles, and have a day job, so I'm better off than billions of people. And I'm lucky in that comparatively few people I know have died during the plague year. 

Time for life v4.0, or v5.0. I'm not sure of my current revision number.


Monday, March 29, 2021

Guile Potluck 2021 Part 1: Genshou and Anguish

Preface

Guile Potluck 2021 was an event where hackers got to advertise their exciting new projects.  It wrapped up a few weeks ago, and at that time I was my intention to blog my way through the entrants right away.  Well, I have not been expedient on that front.
I'm so very sorry it has taken me so long to get back to Guile Potluck 2021.  Somewhere between family, kids, the day job, actually working on Guile, and the vague depression that quarantine seems to instill in me, it all got away from me.
But hey, let's see what we've got. I'll start from the end, and work my way back to the beginning.

Genshou, by Walter Lewis

https://git.sr.ht/~wklew/genshou

Here, wklew implements an extensible effects system, that allows stateful computations without any mutation.  Thought provoking stuff, especially if you like pondering monads, denotational semantics and other such things.

Honestly, it is projects like this that activate my impostor syndrome with regards to Scheme. Many Scheme hackers approach it from a deep interest in Computer Science, and mostly I look at their work in awe whilst carrying on with my second-hand understanding of programming that somehow I've built a career on.
 

Anguish, by Rutger van Beusekom

https://gitlab.com/rutger.van.beusekom/anguish
 


 

rutger.van.beusekom has written as parser for the POSIX sh language
using PEG grammar, which he hopes to convert into a full fledged shell
in future. At the moment, it converts shell statements into an SXML-like representation.

I am excited to see someone exercise Guile's PEG parser, which is both powerful and under-utilized.