29 lines
663 B
C++
29 lines
663 B
C++
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
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//
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/lib/optional for documentation.
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//
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// You are welcome to contact the author at:
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// fernando_cacciola@hotmail.com
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//
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#include<string>
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#include "boost/optional.hpp"
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struct A {} ;
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struct B {} ;
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//
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// THIS TEST SHOULD FAIL TO COMPILE
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//
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void test_no_unsupported_conversion()
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{
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boost::optional<A> opt1;
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boost::optional<B> opt2;
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opt2 = opt1 ; // Cannot convert from "A" to "B"
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}
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