Lovely talk on type driven development in Idris 2, largely a live demo!
https://youtu.be/mOtKD7ml0NU
Related Posts
Really cute approach to reporting type errors: when there's a type error, show an example of a runtime error that the type check has prevented!
Data-Driven Techniques for Type Error Diagnosis https://escholarship.org/uc/item/59s4h4pv
"Example Driven Development" using Glamorous and Pharo Smalltalk: https://medium.com/feenk/an-example-of-example-driven-development-4dea0d995920
Tests returning values and composing is a really interesting model. It establishes structure and shows which test failure is the most 'fundamental'.
Learning software development through playing and contributing to a MUD: https://tashian.com/articles/how-i-learned-to-program/