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Why is Jepsen written in Clojure?
People keep asking why Jepsen is written in Clojure , so I figure it’s worth having a referencable answer. I’ve programmed in something like twenty languages. Why choose a Weird Lisp?
Kyle Kingsbury
On 2026-05-30, the Mastodon server I run started getting a flood of implausible signup requests. We think these are likely bots because our server rules and signup form clearly tell users to talk about their interest in gay leather. Most people sign up with something like “42 yo levis enthusiast into piss” or “Hi! I’m…
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Clojure from the ground up
This guide aims to introduce newcomers and experienced programmers alike to the beauty of functional programming, starting with the simplest building blocks of software. You’ll need a computer, basic proficiency in the command line, a text editor, and an internet connection. By the end of this series, you’ll have a…
3
Clojure from the ground up: Macros
In Chapter 1 , I asserted that the grammar of Lisp is uniform: every expression is a list, beginning with a verb, and followed by some arguments. Evaluation proceeds from left to right, and every element of the list must be evaluated before evaluating the list itself. Yet we just saw, at the end of Sequences , an…
4
Loopr: A Loop/Reduction Macro for Clojure
I write a lot of reductions: loops that combine every element from a collection in some way. For example, summing a vector of integers:
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Clojure from the Ground Up, Part 2: Basic Types
We’ve learned the basics of Clojure’s syntax and evaluation model . Now we’ll take a tour of the basic nouns in the language.