> How come the name emplaceIfCan ever passed review?

I guess it passed review because that's exactly what it does.

> Also please don't perpetuate it.

There's a reason it does it that way. And it's arguably good design.

In any case, this pull aimed for 0 change in behavior, so I'd like to not touch this if it's alright with you. I can address it in another pull though. I have a lot of plans for Zip right now.