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From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-03-18 08:20:35

This post

contains a clever is_class<> implementation based on the fact that void T::*
is only valid when T is a class.

The thread contains another gem, has_key_type<T>::value which is true only
when T has a nested type named key_type.

Peter Dimov
Multi Media Ltd.

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