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// (C) Copyright John Maddock 2001.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/config for most recent version.
// MACRO: BOOST_NO_DEPENDENT_NESTED_DERIVATIONS
// TITLE: dependent nested template classes
// DESCRIPTION: The compiler fails to compile
// a nested class that has a dependent base class:
// template<typename T>
// struct foo : {
// template<typename U>
// struct bar : public U {};
// };
#ifndef BOOST_NESTED_TEMPLATE
#define BOOST_NESTED_TEMPLATE template
#endif
namespace boost_no_dependent_nested_derivations{
struct UDT1{};
struct UDT2{};
template<typename T>
struct foo
{
template<typename U>
struct bar : public foo<U>
{};
};
template <class T>
void foo_test(T)
{
typedef foo<T> foo_type;
typedef typename foo_type::BOOST_NESTED_TEMPLATE bar<UDT2> bar_type;
foo<T> ft;
bar_type bt;
(void) &bt;
(void) &ft;
}
int test()
{
foo_test(UDT1());
return 0;
}
}