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Alex Shinn scripsit:
> We should document whether or not it's an error to
> mutate a set while it is being folded over (I would say
> it's an error).
Added. I have also added the analogue of `iset-update!` from
ImmutableDataStructuresWortman under the name of `set-search!`.
The name comes from HashTablesCowan, where `update!` is in use
for something else.
--
John Cowan <cowan@xxxxxxxx> http://www.ccil.org/~cowan
Sir, I quite agree with you, but what are we two against so many?
--George Bernard Shaw,
to a man booing at the opening of _Arms and the Man_