On 4/15/16 8:59 AM, Nick Treleaven wrote:
On Friday, 15 April 2016 at 04:23:29 UTC, Jonathan M Davis wrote:
Certainly, there have been a few times that it's come up in D.Learn
when folks ask what the heck it is, so there should be a few posts
floating around with an explanation. This is the only useful post that
I could find in a quick search though:

http://forum.dlang.org/post/mh68p8$2p56$1...@digitalmars.com

He says:
Alternatively, you could have the lambda take an R as a parameter. Or
fix the semantics ...

Assuming it works OK, that seems much cleaner:

(R r)
{
     if (r.empty) {}
     ...
}

That makes other unittests fail (those with noncopyable ranges).

Overall we really need to spend some time on making Phobos simpler and better. The mishmash of styles and variable quality of contributions has slowly been gnawing at the sheer quality of the code.


Andrei

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