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- // Function library
- // Copyright (C) 2001-2003 Douglas Gregor
- // Use, modification and distribution is subject to 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)
- // For more information, see http://www.boost.org/
-
- #include <boost/function.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <iostream>
- #include <functional>
- struct Y {
- Y(int y = 0) : y_(y) {}
- bool operator==(const Y& rhs) { return y_ == rhs.y_; }
- private:
- int y_;
- };
- struct X {
- int foo(int);
- Y& foo2(Y&) const;
- };
- int X::foo(int x) { return -x; }
- Y& X::foo2(Y& x) const { return x; }
- int main()
- {
- boost::function<int (X*, int)> f;
- boost::function<Y& (X*, Y&)> f2;
- Y y1;
-
- f = &X::foo;
- f2 = &X::foo2;
- X x;
- BOOST_TEST(f(&x, 5) == -5);
- BOOST_TEST(f2(&x, boost::ref(y1)) == y1);
- return ::boost::report_errors();
- }
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