[Development] qMoveToConst helper for rvalue references to movable Qt containers?

[Elvis Stansvik]

Den lör 27 okt. 2018 kl 22:23 skrev Thiago Macieira <thiago.macieira at intel.com>:
>
> On Saturday, 27 October 2018 08:33:30 PDT Sérgio Martins wrote:
> > Should we instead just encourage people to make returnsQtContainer()
> > return a const container ?
>
> We should not, since the prevents move-construction from happening. You'll pay
> the cost of two reference counts (one up and one down).

Alright, rules that out I guess. From the looks of it, it could be ~100 ns.

Elvis

>
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>   Software Architect - Intel Open Source Technology Center
>
>
>
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