Re: [boost] [config] What Feature is this??

Subject: Re: [boost] [config] What Feature is this??
From: Edward Diener (eldiener_at_[hidden])
Date: 2017-07-24 23:45:23

On 7/24/2017 7:17 PM, Gavin Lambert via Boost wrote:
> On 25/07/2017 06:26, Edward Diener wrote:
>> Thanks, John, I just fell asleep by not realizing you were talking 
>> about SFINAE ala enable_if etc. I am surprised that any compiler would 
>> operate differently in regard to SFINAE between using the C++03 
>> 'return-type some_function(etc.)' form and the C++11 'auto 
>> some_function(etc.) -> return-type' form, whether decltype was used or 
>> not.
> 
> They don't AFAIK, but you can't use the parameter types in an expression 
> until after they are actually declared as parameters, thus requiring the 
> auto -> form.

Thanks ! Makes perfect sense.