Files
boost_mpl/test/apply_if.cpp
T
2004-07-26 00:32:12 +00:00

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1.3 KiB
C++

//-----------------------------------------------------------------------------
// boost mpl/test/apply_if.cpp source file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2000-02
// Aleksey Gurtovoy
//
// Distributed under 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)
#include "boost/mpl/apply_if.hpp"
#include "boost/mpl/bool.hpp"
#include "boost/mpl/identity.hpp"
#include "boost/mpl/assert_is_same.hpp"
namespace mpl = boost::mpl;
int main()
{
typedef mpl::apply_if<
mpl::true_
, mpl::identity<char>
, mpl::identity<long>
>::type t1;
typedef mpl::apply_if_c<
true
, mpl::identity<char>
, mpl::identity<long>
>::type t2;
BOOST_MPL_ASSERT_IS_SAME(t1, char);
BOOST_MPL_ASSERT_IS_SAME(t2, char);
typedef mpl::apply_if<
mpl::false_
, mpl::identity<char>
, mpl::identity<long>
>::type t3;
typedef mpl::apply_if_c<
false
, mpl::identity<char>
, mpl::identity<long>
>::type t4;
BOOST_MPL_ASSERT_IS_SAME(t3, long);
BOOST_MPL_ASSERT_IS_SAME(t4, long);
return 0;
}