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Subject: Re: [boost] [Review] ITL review starts today, February 18th
From: Barend Gehrels (barend_at_[hidden])
Date: 2010-02-28 14:41:57

Hi Daniel,

>> For sets (o.a. interval_set), the following operators are appropriate,
>> as also used in Boost.dynamic_bitset:
>> &= for intersection
>> |= for union
>> ^= for symmetric difference
>> -= for difference
>> So this is how it is implemented but I would remove += as a synonym for |=
>> For interval_map, it is currently much less clear to me now. The
>> operators do two things at the same time, which is confusing me. ...
> I won't be able to review ITL, but I would like to comment that I
> think that this issue of operators needs to be resolved before ITL is
> included in Boost.
Since I wrote that above, I'll react on this. I didn't intend such a
reaction in my review. The ITL library is excellent, the thing (and the
only thing I found) which was not logical (in my opinion, maybe Joachim
will explain it all) is that the -= operator is not the set theoretic
difference but the mathematical subtraction of values. I really don't
think that this is a major concern.

Regards, Barend

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