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I spent a couple of weeks getting into Factor in 2022 and it was the most fun I’ve had programming, probably ever. Language itself aside, the dev environment and process of writing Factor is just delightful.

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I did this back in 2009 for a couple of months and it was fantastic. I then switched to Clojure because it was a little more mainstream (relatively speaking at least haha), but I feel I learned a lot from my time with Factor. It certainly made me respect the language and concatenative style.

Same, and I thought it could be a big thing because the group around it was so great and it was so complete and robust.

It felt good to be near watching that pace of development and excitement.

Yeah, I’ve never had a better experience with unit tests than in Factor (to give an unglamorous example!)

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