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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [reference_wrapper/] [typedefs.cc] - Rev 749
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// { dg-do compile } // { dg-options "-std=gnu++0x" } // Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. #include <functional> #include <type_traits> struct X {}; struct int_result_type { typedef int result_type; }; struct derives_unary : std::unary_function<int, int> {}; struct derives_binary : std::binary_function<int, float, int> {}; struct derives_unary_binary : std::unary_function<int, int>, std::binary_function<int, float, int> { typedef int result_type; }; void test01() { using std::reference_wrapper; using std::is_same; // Check result_type typedef static_assert( is_same<reference_wrapper<int_result_type>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<derives_unary>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<derives_binary>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<derives_unary_binary>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<int(void)>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<int(*)(void)>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<int (::X::*)()>::result_type, int>::value, "has result_type" ); static_assert( is_same<reference_wrapper<int (::X::*)(float)>::result_type, int>::value, "has result_type" ); } int main() { test01(); return 0; }
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