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Library/boost/libs/optional/test/optional_test_fail2.cpp
24 строки
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19 дек 2024, 19:11
19 дек 2024, 19:11
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// Copyright (C) 2003, Fernando Luis Cacciola Carballal. // // 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) // // See http://www.boost.org/lib/optional for documentation. // // You are welcome to contact the author at: // fernando_cacciola@hotmail.com // #include "boost/optional.hpp" // // THIS TEST SHOULD FAIL TO COMPILE // void test_no_implicit_conversion() { boost::optional<int> opt(1) ; // You can compare against 0 or against another optional<>, // but not against another value if ( opt == 1 ) ; }