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- // Copyright 2018 James E. King III. 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)
- #include <boost/logic/tribool.hpp>
- int main(int, char*[])
- {
- using boost::logic::indeterminate;
- using boost::logic::tribool;
- tribool i(indeterminate);
- #if !defined( BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS )
- bool b = i; // expect to see: no viable conversion from 'boost::logic::tribool' to 'bool'
- return (int)b;
- #else
- #error in c++03 explicit conversions are allowed
- #endif
- // NOTREACHED
- return 0;
- }
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