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michaelfeathers 429 days ago | link | parent

If you store the commands from the beginning, you can recreate the state at any point in time.

Space gets cheaper every day.

intended 429 days ago | link

The idea does have merit. On the average case it should be able to work.

A few things may be an issue with implementation, one of which would be excel macros. As it stands excel undo cannot regress past the last use of a macro. I suspect a state list may encounter a similar roadblock.

As it stands excel can be very very slow on large sets of data. On a sufficiently complex and clean model, I've seen load times and computer slow downs which begin to make Tokyo traffic seem mild, if it doesn't just hang.


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