Category Archives: haskell

CIS 194 materials now on github

I’ve been meaning for a while to put the source files for my CIS 194 materials in a publically accessible place, and I’ve finally gotten around to it: you can now find everything in byorgey/haskell-course on github. I make no … Continue reading

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Boltzmann sampling for generic Arbitrary instances

tl;dr: I know how to generate random instances of data types in a generic way, and even have some old code that already does all the hard work, but won’t have time to polish and package it until this summer. … Continue reading

Posted in combinatorics, haskell, math, species | Tagged , , , , , | 10 Comments

ICFP roundup

Well, ICFP 2015 in Vancouver is already two months in the past… I’ve been meaning for a while to write a post reflecting on the experience. Better late than never! The Place I had never been to Vancouver before; it … Continue reading

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Meeting new people at ICFP

This afternoon I’ll be getting on a plane to Vancouver for ICFP. I’m looking forward to seeing many friends, of course, but I also enjoy meeting new people—whether or not they are “famous”, whether or not I think they can … Continue reading

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Catsters guide is complete!

About a year and a half ago I announced that I had started creating a guide to the excellent series of category theory YouTube videos by the Catsters (aka Eugenia Cheng and Simon Willerton). I am happy to report that … Continue reading

Posted in haskell, math, teaching | Tagged | 2 Comments

The Species of Bracelets

Summary: The species package now has support for bracelets, i.e. equivalence classes of lists up to rotation and reversal. I show some examples of their use and then explain the (very interesting!) mathematics behind their implementation. I recently released a … Continue reading

Posted in combinatorics, haskell, math, species | Tagged , , | 5 Comments

Ally Skills Tutorial at ICFP

I just signed up for the Ally Skills Tutorial at ICFP, and if you are (1) a man who (2) will be at ICFP in Vancouver, I encourage you to sign up, too! From the website: The Ally Skills Tutorial … Continue reading

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