Oskar Wickström
wickstrom.tech · Personal blog · on HN since 2016
Oskar Wickström is a programmer who writes about Haskell, functional programming, property-based testing, state machines and developer tools.
What HN saysHN links it for his property-based testing work on a screencast editor and background on his Quickstrom-to-Bombadil testing project.
23HN people shared it
2linked it in comments
35stories submitted
494story points
6 months agolast shared
2016people per year2026
Most-shared posts
- 1Statically Typed Functional Programming with Python 3.127 people · 39 points · first shared 2024 · 2 comments on HN
- 2Programming in the Sun: A Year with the Daylight Computer2 people · 186 points · first shared 2025 · 66 comments on HN
- 3Writing a Screencast Video Editor in Haskell2 people · 131 points · first shared 2018 · 12 comments on HN
- 4Specifying State Machines with Temporal Logic2 people · 76 points · first shared 2021 · 11 comments on HN
- 5I Built "The Monospace Web"2 people · 14 points · first shared 2024 · 11 comments on HN
- 6Finding Bugs in a Coding Agent with Lightweight DST2 people · 10 points · first shared 2025 · discussion on HN
- 7Motor: Finite-State Machines in Haskell2 people · 3 points · first shared 2017 · discussion on HN
- 8Generating sight-reading exercises with constraint logic programming and clojure2 people · 3 points · first shared 2016 · 2 comments on HN
- 9Property-Based Testing in a Screencast Editor, Case Study 1: Timeline Flattening2 people · 1 points · first shared 2019 · discussion on HN
- 10There and Back Again: From Quickstrom to Bombadil2 people · 1 points · first shared 2026 · discussion on HN
- 11Quickstrom: High-confidence browser testing1 people · 6 points · first shared 2025 · discussion on HN
- 12Computer Says No: Error Reporting for LTL1 people · 5 points · first shared 2025 · discussion on HN
- 13Declarative GTK+ Programming with Haskell1 people · 4 points · first shared 2018 · discussion on HN
- 14Machine: Learning; Human: Unlearning;1 people · 3 points · first shared 2025 · discussion on HN
- 15The Bombadil Terminal Experiment1 people · 2 points · first shared 2026 · discussion on HN
What HN people wrote when they linked it
owickstrom · 2026-03-23
btw, some background on the project: https://wickstrom.tech/2026-01-28-there-and-back-again-from-quickstrom…
chelmertz · 2022-11-11
Here are inspirational examples from properties of a video editor: https://wickstrom.tech/programming/2019/03/24/property-based-testing-i…
The author also published a tool for PBT:nif web front ends which sounds interesting.