Re: [boost] [boost-mpl] -Wall -Werror issue

Subject: Re: [boost] [boost-mpl] -Wall -Werror issue
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2012-11-26 19:22:50

On 27/11/12 00:55, Belcourt, Kenneth wrote:
> Hi,
>
> This code generates sign / unsigned compare warning with -Wall, could this please be cleaned up?
>
>      enum {
>          n =
> # if defined(__EDG_VERSION__)
>             aux::dependent_unsigned<T>::value > -1
> # else
>             sizeof(T) > -1
> # endif
>          };
>
> It appears that sizeof(T) > -1 yields zero for EDG, Gcc and Clang so perhaps this is just older (unused) code?

The code in question is in print.hpp
Its purpose is to emit warnings.