multiwayMerge/multiwayUnion review

[jmh530]

On Wednesday, 3 January 2018 at 19:32:37 UTC, Ilya Yaroshenko 
wrote:
> Hi, I ported two this functions to mir-algorithm ~master: need 
> them for work ASAP (License and Copyright are preserved). My 
> small report:
>
>  - Two algorithmic bugs in multiwayUnion: it is one line 
> function, you can easily find them.
>  - One truly significant algorithmic optimisation bug in 
> multiwayMerge: see mir-algorithm ~master for fix.
>  - Three kinds of bugs related to attributes and BetterC: ditto.
>
> Sorry, can not fill the issues.
>
> It is weird to duplicate Phobos code/API/functionality. Hope 
> one day it will be split into DUB packages.
>
> Best,
> Ilya

Ah, so you're just giving heads up that you added these to 
mir-algorithm because you needed to fix some bugs that were in 
the phobos implementation and didn't have time to do it yourself.