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28 lines
675 B
C++
28 lines
675 B
C++
// Copyright 2021 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/lambda2.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <functional>
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int main()
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{
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using namespace boost::lambda2;
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int x[] = { 1, 2, 3, 4 };
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BOOST_TEST_EQ( _1[0](x), x[0] );
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BOOST_TEST_EQ( _1[_2](x, 1), x[1] );
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BOOST_TEST_EQ( (_1[_2] + _3[_4])(x, 2, x, 3), x[2] + x[3] );
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BOOST_TEST_EQ( std::bind(_1 + _2, _1[_2], _3[_4])(x, 2, x, 3), x[2] + x[3] );
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_1[0](x) = 7;
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BOOST_TEST_EQ( x[0], 7 );
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_1[_2](x, 1) = 8;
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BOOST_TEST_EQ( x[1], 8 );
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return boost::report_errors();
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}
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