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22 lines
417 B
C++
22 lines
417 B
C++
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#include <boost/parameter.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <cassert>
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namespace parameter = boost::parameter;
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BOOST_PARAMETER_NAME(index)
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template <class ArgumentPack>
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typename parameter::value_type<ArgumentPack, tag::index, int>::type
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twice_index(ArgumentPack const& args)
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{
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return 2 * args[_index|42];
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}
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int six = twice_index(_index = 3);
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int main()
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{
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assert(six == 6);
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}
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