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Re: ordered string-list considered harmful, was Re: [PATCH v3] Allow aliases that include other aliases


Jeff King wrote:

> But what I think is harmful is a _sorted_ list, because of the
> "accidentally quadratic" nature, and because it's easy to call its
> functions on an unsorted list.

I agree --- in general, it tends to be better to build an unsorted
string list and then sort it.

Once I've done so, what is your advice about getting fast lookups
in the result?  Should I build an auxiliary hashmap as well?  Or
is this an argument for the 'sorted' flag + BUG approach you
already mentioned?

Whatever we do, I agree with your goal of getting rid of