[Development] C++11 decltype magic with a container?

[Thiago Macieira]

On quarta-feira, 22 de maio de 2013 19.34.49, Stephen Kelly wrote:
> > The operator exists and there's nothing preventing it from existing. The
> > problem is that the operator exists but can't be used.
> 
> Yes.
> 

> > It does. You need to make sure that there's an enable_if in the function
> > you're trying to detect. You can't detect if the function compiles.
> 
> Sorry, I don't see how that suggestion is different from the code I posted
> in my initial mail.

There are no changes to qpair.h in your change. I am asking you to make the 
change to QPair and all the containers so that they std::enable_if the 
operator== if and only if the value_type is equality-comparable.

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