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52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/test/transform.cpp source file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-03
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// Aleksey Gurtovoy, Dave Abrahams
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include "boost/mpl/transform.hpp"
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#include "boost/mpl/list.hpp"
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#include "boost/mpl/list_c.hpp"
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#include "boost/mpl/equal.hpp"
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#include "boost/mpl/plus.hpp"
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#include "boost/type_traits/add_pointer.hpp"
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#include "boost/static_assert.hpp"
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namespace mpl = boost::mpl;
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int main()
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{
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using namespace mpl::placeholders;
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{
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typedef mpl::list<char,short,int,long,float,double> types;
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typedef mpl::list<char*,short*,int*,long*,float*,double*> pointers;
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typedef mpl::transform1< types,boost::add_pointer<_1> >::type result1;
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BOOST_STATIC_ASSERT((mpl::equal<result1,pointers>::type::value));
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typedef mpl::transform< types,boost::add_pointer<_1> >::type result;
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BOOST_STATIC_ASSERT((mpl::equal<result,pointers>::type::value));
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}
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{
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typedef mpl::list_c<long,0,2,4,6,8,10> evens;
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typedef mpl::list_c<long,2,3,5,7,11,13> primes;
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typedef mpl::list_c<long,2,5,9,13,19,23> sums;
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typedef mpl::transform2< evens, primes, mpl::plus<> >::type result1;
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BOOST_STATIC_ASSERT((mpl::equal<result1::type,sums::type>::type::value));
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typedef mpl::transform< evens, primes, mpl::plus<> >::type result;
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BOOST_STATIC_ASSERT((mpl::equal<result::type,sums::type>::type::value));
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}
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return 0;
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}
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