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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// check nested types:
// template <class T>
// class allocator
// {
// public:
// typedef size_t size_type;
// typedef ptrdiff_t difference_type;
// typedef T* pointer;
// typedef const T* const_pointer;
// typedef typename add_lvalue_reference<T>::type reference;
// typedef typename add_lvalue_reference<const T>::type const_reference;
// typedef T value_type;
// typedef true_type is_always_equal;
//
// template <class U> struct rebind {typedef allocator<U> other;};
// ...
// };
#include <memory>
#include <type_traits>
#include <cstddef>
int main()
{
static_assert((std::is_same<std::allocator<char>::size_type, std::size_t>::value), "");
static_assert((std::is_same<std::allocator<char>::difference_type, std::ptrdiff_t>::value), "");
static_assert((std::is_same<std::allocator<char>::pointer, char*>::value), "");
static_assert((std::is_same<std::allocator<char>::const_pointer, const char*>::value), "");
static_assert((std::is_same<std::allocator<char>::value_type, char>::value), "");
static_assert((std::is_same<std::allocator<char>::reference, char&>::value), "");
static_assert((std::is_same<std::allocator<char>::const_reference, const char&>::value), "");
static_assert((std::is_same<std::allocator<char>::rebind<int>::other,
std::allocator<int> >::value), "");
static_assert((std::is_same<std::allocator< char>::is_always_equal, std::true_type>::value), "");
static_assert((std::is_same<std::allocator<const char>::is_always_equal, std::true_type>::value), "");
std::allocator<char> a;
std::allocator<char> a2 = a;
a2 = a;
std::allocator<int> a3 = a2;
((void)a3);
}
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