Files
mpl/test/zip_view.cpp
Aleksey Gurtovoy c7b3a391fa add 'zip_view'
[SVN r16419]
2002-11-26 10:02:08 +00:00

61 lines
1.8 KiB
C++

//-----------------------------------------------------------------------------
// boost mpl/test/zip_view.cpp source file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2002
// 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/zip_view.hpp"
#include "boost/mpl/transform_view.hpp"
#include "boost/mpl/filter_view.hpp"
#include "boost/mpl/range_c.hpp"
#include "boost/mpl/list.hpp"
#include "boost/mpl/at.hpp"
#include "boost/mpl/equal.hpp"
#include "boost/mpl/comparison/equal_to.hpp"
#include "boost/mpl/math/is_even.hpp"
#include "boost/static_assert.hpp"
using namespace boost::mpl;
template< typename BinaryOp >
struct apply_two_args_seq
{
template< typename Args > struct apply
{
typedef typename apply2<
BinaryOp
, typename at_c<Args,0>::type
, typename at_c<Args,1>::type
>::type type;
};
};
int main()
{
typedef range_c<int,0,10> s1;
typedef range_c<int,10,20> s2;
typedef transform_view<
zip_view< list<s1,s2> >
, apply_two_args_seq< plus<> >
> result;
BOOST_STATIC_ASSERT((equal<
result
, filter_view< range_c<int,10,30>, math::is_even<_> >
, equal_to<_,_>
>::type::value));
return 0;
}