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From: Howard Hinnant (hinnant_at_[hidden])
Date: 1999-12-22 18:05:32

I've been playing around with an alternate implementation of is_const,
and was wondering what if any compilers might support it:

template <typename T> struct remove_const {typedef T type;};
template <typename T> struct remove_const<T const> {typedef T type;};

template <typename T, typename U> struct is_same {static const bool
type = false;};
template <typename T> struct is_same<T, T> {static const bool
type = true;};

template <typename T> struct is_const
        {static const bool type = !is_same<T, remove_const<T>::type>::type;};

#include <iostream>

int main()
     std::cout << is_const<const int>::type << '\n';


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