[Development] Proposal: Deprecating platforms in Qt 5.6 that don't support lambda

[Thiago Macieira]

On Thursday 19 February 2015 17:32:11 Daniel Teske wrote:
> On Thursday 19 Feb 2015 08:26:29 Thiago Macieira wrote:
> > On Thursday 19 February 2015 13:29:48 Daniel Teske wrote:
> > > [1] ranged based for uses std::begin(container), which if not overloaded
> > > calls  container.begin(), which detaches.
> > > 
> > > So using range-based can be used:
> > > - If the container is const or
> > > - If the container is unshared or
> > > - To actually change the container's contents
> > 
> > Sounds like the intended behaviour to me. What's wrong with this picture?
> 
> You don't want to detach if you are only reading.

Then make your container const. A cast or template function call that adds 
const is very easy.

The design for the range-based for is that it can be used to mutate the 
container, so the above picture is exactly what is intended for that 
construct.

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