// { dg-options "-std=gnu++14" } // { dg-do run } // Copyright (C) 2015-2016 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 // . #include #include auto is_odd_pair = [](const std::pair& p) { return p.first % 2 != 0; }; void test01() { bool test [[gnu::unused]] = true; std::map m{ { 10, "A" }, { 11, "B" }, { 12, "C" }, { 14, "D" }, { 15, "E" }, { 17, "F" }, { 18, "G" }, { 19, "H" } }; std::experimental::erase_if(m, is_odd_pair); std::map t{ { 10, "A" }, { 12, "C" }, { 14, "D" }, { 18, "G" } }; VERIFY( m == t ); } void test02() { bool test [[gnu::unused]] = true; std::multimap mm{ { 20, "S" }, { 21, "T" }, { 22, "U" }, { 22, "V" }, { 23, "W" }, { 23, "X" }, { 24, "Y" }, { 25, "Z" } }; std::experimental::erase_if(mm, is_odd_pair); std::multimap t{ { 20, "S" }, { 22, "U" }, { 22, "V" }, { 24, "Y" } }; VERIFY( mm == t ); } int main() { test01(); test02(); return 0; }