26 lines
620 B
C++
26 lines
620 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 "boost/optional.hpp"
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//
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// THIS TEST SHOULD FAIL TO COMPILE
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//
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void test_deep_constantness()
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{
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boost::optional<int> opt ;
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boost::optional<int> const copt ;
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*copt = opt ; // Cannot assign to "int const&"
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}
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