Re: [boost] [type traits] Strange behaviour of comparison operators with pointers

Subject: Re: [boost] [type traits] Strange behaviour of comparison operators with pointers
From: Frédéric Bron (frederic.bron_at_[hidden])
Date: 2011-06-21 00:57:52

> However I was thinking... Is it not possible to test for const int x being 0
> at compile time, possibly with MPL equal_to ? Then you could handle the case
> where the "int const" is 0, returning true when that is the case, otherwise
> returning false.

In fact, if it is an "integral constant expression", the answer is
yes. But if not, I suspect the code would yield a compile time error.
But the arguments of the trait are types not linked to any value. Then
it seems to me that it is impossible.

Frédéric