Literate programming with continuous testing: http://t.co/jgVWLzj4e3 Feels rather reminiscent of Bret Victor's work.
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Do any tech streamers try new software live? It'd be a really fun way of doing UX testing.
I've added an eval button to the website of my programming language!
It's a been a lot of work to lock down appropriately. It still needs some UI polish but it's so nice to be able to try snippets immediately.
https://www.garden-lang.org/
I'm working on arity errors in Garden, my toy programming language.
Rather than just saying "expected 3, got 4 arguments", I'm trying to report where the extra argument is, or what extra argument was expected.