Subject: Re: [boost] [guidelines] why template errors suck
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2010-09-28 13:35:08
On 28/09/10 18:27, David Abrahams wrote:
> At Tue, 28 Sep 2010 11:21:55 -0400 (EDT),
> Jeremiah Willcock wrote:
>>> is_convertible<decltype(f != l), bool>::value
>>> is_convertible<decltype(p(*f)), bool>::value
>> These can be written as "normal" valid expressions:
>> bool(f != l)
> Isn't bool(x) equivalent to (bool)x? I think that's valid code for
> any x.
That's valid code for any object x of a built-in type or that is
implicitly convertible to any built-in type.
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