[darcs-devel] [issue2436] rollback --patches takes ages before first prompt

[Ben Franksen]

Ben Franksen <ben.franksen at online.de> added the comment:

I have been looking into Darcs.Patch.Choices and made some experimental
changes to support RL as well as FL. I found that some of the functions
can be easily generalized while for others this is hard. Thinking a bit
more about the reasons for that I began to ask myself why PatchChoices
does not use a zipper-like structure. Currently pcsFirsts and pcsLasts
are both an FL of (labeled) patches. I wonder if it makes sense to turn
pcsFirsts into an RL; then the whole thing can be made to work in a more
symmetric manner. I am also thinking about pulling things like
WhichChanges from UI.SelectChanges into Patch.Choices.

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<http://bugs.darcs.net/issue2436>
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