Wow, Pharo has resumable exceptions! Explains why 'define method and continue' just works. (CL was the only lang I was aware of with this.)
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"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'.
Sometimes programming tools are so good that you miss them when using other languages. I see these mentioned the most frequently:
* IntelliJ (for Java)
* Slime+Emacs (for Common Lisp)
* Pharo (for Smalltalk)
I'm struck that they all have bespoke UIs.
Today I learnt that the Glamorous Toolkit has its own VM, implemented in Rust, which wraps the Pharo smalltalk environment!
