"David B. Held" <[EMAIL PROTECTED]> writes:
> "David Abrahams" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>> [...]
>> 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
[EMAIL PROTECTED] * http://www.boost-consulting.com
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