50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
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// Copyright (C) 2009-2012 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0
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// (see accompanying file LICENSE_1_0.txt or a copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Home at http://www.boost.org/libs/local_function
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#include <boost/config.hpp>
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#ifdef BOOST_NO_CXX11_VARIADIC_MACROS
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# error "variadic macros required"
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#else
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#include <boost/local_function.hpp>
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#include <boost/function.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <iostream>
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//[return_assign
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void call1(boost::function<int (int) > f) { BOOST_TEST(f(1) == 5); }
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void call0(boost::function<int (void)> f) { BOOST_TEST(f() == 5); }
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boost::function<int (int, int)> linear(const int& slope) {
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int BOOST_LOCAL_FUNCTION(const bind& slope,
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int x, default 1, int y, default 2) {
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return x + slope * y;
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} BOOST_LOCAL_FUNCTION_NAME(lin)
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boost::function<int (int, int)> f = lin; // Assign to local variable.
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BOOST_TEST(f(1, 2) == 5);
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call1(lin); // Pass to other functions.
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call0(lin);
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return lin; // Return.
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}
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void call(void) {
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boost::function<int (int, int)> f = linear(2);
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BOOST_TEST(f(1, 2) == 5);
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}
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//]
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int main(void) {
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call();
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return boost::report_errors();
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}
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#endif // VARIADIC_MACROS
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