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Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [util/] [regression/] [trait/] [erase_if_fn.hpp] - Rev 424
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// -*- C++ -*- // Copyright (C) 2005, 2006, 2009 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/>. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. // Permission to use, copy, modify, sell, and distribute this software // is hereby granted without fee, provided that the above copyright // notice appears in all copies, and that both that copyright notice // and this permission notice appear in supporting documentation. None // of the above authors, nor IBM Haifa Research Laboratories, make any // representation about the suitability of this software for any // purpose. It is provided "as is" without express or implied // warranty. /** * @file erase_if_fn.hpp * Contains traits for a random regression test * for a specific container type. */ #ifndef PB_DS_REGRESSION_TEST_ERASE_IF_FN_HPP #define PB_DS_REGRESSION_TEST_ERASE_IF_FN_HPP #include <functional> namespace __gnu_pbds { namespace test { namespace detail { template<typename T> struct regression_test_erase_if_fn : public std::unary_function<T, bool> { private: typedef const T& const_reference; public: bool operator()(const_reference r_t) const { return (r_t.length() == 0 || static_cast<size_t>(*((r_t).begin())) % 2 == 1); } }; template<typename Hd, class Tl> struct regression_test_erase_if_fn<std::pair<Hd, Tl> > : public std::unary_function<std::pair<Hd, Tl>, bool> { private: typedef const std::pair<Hd, Tl>& const_reference; typedef regression_test_erase_if_fn<Hd> hd_erase_if_fn; typedef regression_test_erase_if_fn<Tl> tl_erase_if_fn; public: bool operator()(const_reference r_t) const { return (hd_erase_if_fn()(r_t.first) && tl_erase_if_fn()(r_t.second)); } }; } // namespace detail } // namespace test } // namespace __gnu_pbds #endif
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