38 lines
937 B
C++
38 lines
937 B
C++
// (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_TYPES_IN_TEMPLATE_VALUE_PARAMETERS
|
|
// TITLE: dependent non-type template parameters
|
|
// DESCRIPTION: Template value parameters cannot have a dependent
|
|
// type, for example:
|
|
// template<class T, typename T::type value>
|
|
// class X { ... };
|
|
|
|
|
|
namespace boost_no_dependent_types_in_template_value_parameters{
|
|
|
|
template <class T, typename T::type value = 0>
|
|
class X
|
|
{};
|
|
|
|
template <class T>
|
|
struct typifier
|
|
{
|
|
typedef T type;
|
|
};
|
|
|
|
int test()
|
|
{
|
|
X<typifier<int> > x;
|
|
(void) &x; // avoid "unused variable" warning
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
|
|
|