forked from boostorg/mpl
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
//-----------------------------------------------------------------------------
|
|
// boost mpl/test/aux_/has_distance.cpp source file
|
|
// See http://www.boost.org for updates, documentation, and revision history.
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Copyright (c) 2000-02
|
|
// Aleksey Gurtovoy
|
|
//
|
|
// Permission to use, copy, modify, distribute and sell this software
|
|
// and its documentation for any purpose is hereby granted without fee,
|
|
// provided that the above copyright notice appears in all copies and
|
|
// that both the copyright notice and this permission notice appear in
|
|
// supporting documentation. No representations are made about the
|
|
// suitability of this software for any purpose. It is provided "as is"
|
|
// without express or implied warranty.
|
|
|
|
#include "boost/mpl/aux_/has_distance.hpp"
|
|
#include "boost/mpl/aux_/has_distance_spec.hpp"
|
|
#include "boost/static_assert.hpp"
|
|
|
|
namespace mpl = boost::mpl;
|
|
|
|
struct iter0 {};
|
|
template< typename T > struct iter1
|
|
{
|
|
template< typename > struct BOOST_MPL_AUX_ITERATOR_DISTANCE;
|
|
};
|
|
|
|
namespace boost { namespace mpl {
|
|
BOOST_MPL_AUX_HAS_DISTANCE_SPEC(1,iter1)
|
|
}}
|
|
|
|
int main()
|
|
{
|
|
BOOST_STATIC_ASSERT(!mpl::aux::has_distance<iter0>::value);
|
|
BOOST_STATIC_ASSERT(mpl::aux::has_distance< iter1<int> >::value);
|
|
return 0;
|
|
}
|