https://blog.rafaelfernandez.dev/tags/make-invalid-states-unrepresentable/ Recent content in Make-Invalid-States-Unrepresentable on Home Hugo -- gohugo.io en © 2026 Rafael Fernandez Sat, 14 Feb 2026 00:00:00 +0000 https://blog.rafaelfernandez.dev/posts/todo-tui-rust-1-scaffolding-tui-adapter-state-machine/ Sat, 14 Feb 2026 00:00:00 +0000 https://blog.rafaelfernandez.dev/posts/todo-tui-rust-1-scaffolding-tui-adapter-state-machine/ We start a new series by migrating the CLI adapter to a ratatui TUI. We set up the new dependencies, design the module structure under adapters/tui/, model the interaction modes as an enum to make invalid states unrepresentable, and solve the ownership puzzle of cloning a repository in a persistent session.