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From: David Abrahams (dave_at_[hidden])
Date: 2004-06-07 10:06:45

"Wolfgang Meyer" <Wolfgang.Meyer_at_[hidden]> writes:

>> that is something like this: How can I determine if a type T has such and
>> such member? It
>> would look like something like this:
>> has_member<T, paint>::result (true if T::paint() exists)
>> has_member<T, m_size>::result (true if T::m_size exists)
> AFAIK, checking for arbitrary members at compile time is not possible in a
> portable way.
> However, it seems that you can check for operators:

Much better techniques than the ones shown there are now known.

Dave Abrahams
Boost Consulting

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