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Subject: Re: [boost] Boost.Test updates in trunk: need for (mini) review?
From: Ian Emmons (iemmons_at_[hidden])
Date: 2012-10-29 11:29:23

On Oct 27, 2012, at 7:22 PM, Dave Abrahams wrote:
> On Fri Oct 26 2012, Rob Stewart <> wrote:
>> On Oct 26, 2012, at 8:41 AM, Ian Emmons <iemmons_at_[hidden]> wrote:
>>> On Oct 19, 2012, at 11:03 PM, Gennadiy Rozenal wrote:
>>>> e) zip - dataset constructed by zipping 2 datasets of the same size, but not
>>>> necessarily the same type
>>>> This dataset has an arity which is sum of argument dataset arities.
>>>> int a[] = {1,2,3};
>>>> char* b[] = {"qwe", "asd", "zxc"};
>>>> data::make(a) ^ data::make(b)
>>>> dataset with 3 samples which are pairs of int and char*.
>>> Calling this "zipping" is odd (at least to me). Makes it sound like
>>> a compression facility. Perhaps "tupling" would be better.
>> Tupling sounds very odd to me. "Zipping" is well established for
>> merging of this sort.
> Yes, "zip" is a well-established concept.

Great -- "zip" it is. (One more thing to add to the long list of stuff I've never heard of.)

>>> I also think the choice of operator here is not ideal. How does the
>>> xor operator evoke any notion of this operation?
>> The circumflex has two tails that merge at the top.
> :-) by that measure,
>> =
> would be a good choice too. That said, I have no problem with the circumflex.

Agreed -- I like the comparison to an upside-down zipper. Perhaps mentioning that in the docs would be a useful thing.

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