1 // Copyright (C) 2003, Fernando Luis Cacciola Carballal. 2 // 3 // Use, modification, and distribution is subject to the Boost Software 4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 // 7 // See http://www.boost.org/lib/optional for documentation. 8 // 9 // You are welcome to contact the author at: 10 // fernando_cacciola@hotmail.com 11 // 12 #include "boost/optional.hpp" 13 14 // 15 // THIS TEST SHOULD FAIL TO COMPILE 16 // 17 #if BOOST_WORKAROUND( BOOST_INTEL_CXX_VERSION, <= 700) // Intel C++ 7.0 18 // Interl C++ 7.0 incorrectly accepts the initialization "boost::optional<int> opt = 3" 19 // even though the ctor is explicit (c.f. 12.3.1.2), so the test uses another form of 20 // copy-initialization: argument-passing (8.5.12) 21 void helper ( boost::optional<int> ) ; test_explicit_constructor()22void test_explicit_constructor() 23 { 24 helper(3) ; // ERROR: Ctor is explicit. 25 } 26 #else test_explicit_constructor()27void test_explicit_constructor() 28 { 29 boost::optional<int> opt = 3 ; // ERROR: Ctor is explicit. 30 } 31 #endif 32 33 34