Example-driven development: bridging tests and documentation
summary
Claims that tiny change—making tests tests that return objects—turns TDD into live, explorable documentation. Shows a working Glamorous Toolkit substrate with Glamorous Toolkit notebook pages and a multi-object inspector, live-editable custom views, a Ludo game state that supports back-in-time stepping, an IMDb-derived film collection example, and a squarified treemap demo. Examples compose into a dependency tree so failing steps stop downstream runs, and the whole system is open source and demonstrably interactive. example composition tree
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