Undo

03 Sep 2022 - 24 Oct 2024

Part of UIThinking

Inspired by
Here are some things I've learned about undo / redo
— Steve Ruiz (@steveruizok) September 3, 2022

Undo/Redo is a powerful and under-theorized UI affordance.

Some extensions: I know there are history visualizers, tree-shaped history hacks, etc. Should do some literature searching.

Histories

Reversible debuggers (ZStep).

git commit trees (probably the most elaborate vocabulary for representing changes and histories).

Has the "defect" that it is a seperate step to record a history snapshot (commit).