56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/*=============================================================================
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Copyright (c) 2008 Dan Marsden
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Use modification and distribution are subject to the Boost Software
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License, Version 1.0. (See 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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==============================================================================*/
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#include <boost/fusion/include/transform.hpp>
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#include <boost/fusion/include/for_each.hpp>
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#include <boost/fusion/include/vector.hpp>
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namespace fusion = boost::fusion;
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namespace
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{
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template<int n, int batch>
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struct distinct
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{
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static const int value = n;
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};
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struct f
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{
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typedef int result_type;
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template<typename T>
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result_type operator()(T const& t) const
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{
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return T::value;
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}
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};
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struct touch
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{
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template<typename T>
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void operator()(T const&) const
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{}
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};
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template<int batch>
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void test()
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{
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fusion::vector<
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distinct<0, batch>, distinct<1, batch>, distinct<2, batch>, distinct<3, batch>, distinct<4, batch>,
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distinct<5, batch>, distinct<6, batch>, distinct<7, batch>, distinct<8, batch>, distinct<9, batch> > v;
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// We're testing transform really
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// for_each call is to force iteration through the lazy
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// transform, otherwise very little will happen.
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fusion::for_each(fusion::transform(v, f()), touch());
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}
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}
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#include "./driver.hpp"
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