Archive - Type Classes

Disregard Data.List

Lately I’ve started using streaming library by default instead of the utilities in Data.List. The standard manipulation functions for list are part of…

May 13, 2024 •

December 2023

Early language acquisition students, at the elementary and middle school levels, can see a problem with the language invisible to those of us who are…

Dec 4, 2023 •

August 2023

Haskell PVP numbers are your friends

I know you don't want to read this, but it's short and important, I promise.

Aug 21, 2023 •

Nonzero magnitude: Prisms and lenses

The first part of this series argues that affine traversals should be considered the core optics concept. You might ask, if that's true, why does…

Aug 5, 2023 •

July 2023

Positive integers and affine traversal

The Positive integer type, why it's helpful for working with rational numbers, and an affine traversal relating Positive to Integer that's great for…

Jul 22, 2023 •

Libraries let us liberate

Jul 16, 2023 •

The turtle protocol

In search of a better playground

Jul 3, 2023 •

June 2023

hspec, specify, shouldBe

How simple testing can be.

Jun 26, 2023 •

The Args and the Env

Environment variables need love and parsing too.

Jun 20, 2023 •

The resilient repository

What we have here is a failure to communicate

Jun 18, 2023 •

Using AWS Secrets Manager

A new library, and thoughts on the unreliability of open source maintenance.

Jun 8, 2023 •

The centrality of AffineTraversal

Today’s subject is optics. This article is not extensive enough to qualify as an introduction to the subject, but it does offer a palatable sample. If I…

Jun 5, 2023 •

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