I'd love to see code completion that tried your tests with every suggestion. You r IDE could finish the implementation of your functions!
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I'm experimenting with live-evaluating tests in my programming language project.
It's relatively fiddly to hook up a UI for this, but it saves a precious keystroke to run the tests! I'm hoping that it results in more, better tests due to the convenience.
Go has an elegant approach to defining example functions, which are shown in docs as `main()` with the output: https://go.dev/blog/examples
I've been experimenting with an 'evaluate up to cursor' mode for my PL project.
I love evaluating self-contained snippets in Lisp, this generalises the idea.
The interpreter remembers the arguments when you run tests, then can re-use them when you say 'eval up to here'.
What do you think?