"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'.
miniblog.
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Today I learnt that the Glamorous Toolkit has its own VM, implemented in Rust, which wraps the Pharo smalltalk environment!
"In Pharo 4, the Inspector and Playground from the Glamorous Toolkit (a part of [Moose]) are now the default." Exciting!