109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2007 Joel de Guzman
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Copyright (c) 2014 John Fletcher
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <iostream>
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#include <cmath>
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#include <algorithm>
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#include <vector>
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#include <typeinfo>
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/phoenix/core.hpp>
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#include <boost/phoenix/operator.hpp>
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#include <boost/phoenix/function.hpp>
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//#include <boost/phoenix/bind.hpp>
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#include <boost/phoenix/scope.hpp>
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struct zzz {};
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int
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main()
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{
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using boost::phoenix::lambda;
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using boost::phoenix::let;
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using boost::phoenix::ref;
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using boost::phoenix::val;
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using boost::phoenix::arg_names::_1;
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using boost::phoenix::arg_names::_2;
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using boost::phoenix::local_names::_a;
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using boost::phoenix::local_names::_b;
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// using boost::phoenix::placeholders::arg1;
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{
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int x = 1;
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int y = lambda[_1]()(x);
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BOOST_TEST(x == y);
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}
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{
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int x = 1, y = 10;
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BOOST_TEST(
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(_1 + lambda[_1 + 2])(x)(y) == 1+10+2
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);
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BOOST_TEST(
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(_1 + lambda[-_1])(x)(y) == 1+-10
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);
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}
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{
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int x = 1, y = 10, z = 13;
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BOOST_TEST(
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lambda(_a = _1, _b = _2)
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[
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_1 + _a + _b
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]
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(x, z)(y) == x + y + z
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);
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}
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{
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int x = 4;
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int y = 5;
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lambda(_a = _1)[_a = 555](x)();
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BOOST_TEST(x == 555);
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(void)y;
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}
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{
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int x = 1;
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long x2 = 2;
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short x3 = 3;
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char const* y = "hello";
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zzz z;
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BOOST_TEST(lambda[_1](x)(y) == y);
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BOOST_TEST(lambda(_a = _1)[_a](x)(y) == x);
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BOOST_TEST(lambda(_a = _1)[lambda[_a]](x)(y)(z) == x);
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BOOST_TEST(lambda(_a = _1)[lambda[_a + _1]](x)(y)(x) == 2);
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BOOST_TEST(lambda(_a = _1)[lambda(_b = _1)[_a + _b + _1]](x)(x2)(x3) == 6);
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}
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{
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int x = 1, y = 10;
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BOOST_TEST(
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(_1 + lambda(_a = _1)[_a + _1 + 2])(x)(y) == 1+1+10+2
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);
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}
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{
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int x = 1, y = 10;
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BOOST_TEST(
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(
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_1 +
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lambda(_a = _1)
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[
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_a + lambda[_a + 2]
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]
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)
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(x)(y)(y) == 1+1+1+2
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);
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}
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return boost::report_errors();
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}
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