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ROBLOX2016
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Library/boost/libs/parameter/test/maybe.cpp
42 строки
1001 B
PatoFlamejanteTV
full source code
19 дек 2024, 19:11
19 дек 2024, 19:11
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// Copyright Daniel Wallin 2006. // 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/parameter/name.hpp> namespace test { BOOST_PARAMETER_NAME(kw) BOOST_PARAMETER_NAME(unused) template <typename Args> int f(Args const& args) { return args[test::_kw | 1.f]; } } // namespace test #include <boost/parameter/aux_/maybe.hpp> #include <boost/core/lightweight_test.hpp> int main() { BOOST_TEST_EQ(0, test::f((test::_kw = 0, test::_unused = 0))); BOOST_TEST_EQ(1, test::f(test::_unused = 0)); BOOST_TEST_EQ( 1 , test::f(( test::_kw = boost::parameter::aux::maybe<int>() , test::_unused = 0 )) ); BOOST_TEST_EQ( 2 , test::f(( test::_kw = boost::parameter::aux::maybe<int>(2) , test::_unused = 0 )) ); return boost::report_errors(); }