Clojure's Clerk credits Smalltalk's Glamours Toolkit for inspiration into live and moldable programming. The Clerk presentation at Splash 2024 suggested that the impact of "live" on the design process needs more collective investigation. video 
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Also, 7:35: Manifold live programming in Go.
Example Driven Development in Glamorous Toolkit presented at SPLASH 2024. An example is a combination of a test and a factory.