Re: [boost] Re: [MPL] Making Generators

From: David Abrahams (dave_at_[hidden])
Date: 2002-12-05 14:06:00

"David B. Held" <dheld_at_[hidden]> writes:

> "David Abrahams" <dave_at_[hidden]> wrote in message
> news:uheds2uir.fsf_at_boost-consulting.com...
>> [...]
>> I don't know... well, it could detect whether there was a ::type
>> member,
>> [...]
>
> Really???  Is it possible to detect the presence of a typedef without
> generating an error?  How do you do this?  I think this is a very useful
> feature!

On many compilers, yes. See mpl/aux_/has_xxx.hpp

-- 
                       David Abrahams
   dave_at_[hidden] * http://www.boost-consulting.com
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