streams.hpp

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/*****************************************************************************
** Ifdefs
*****************************************************************************/

#ifndef ECL_CONCEPTS_STREAMS_HPP_
#define ECL_CONCEPTS_STREAMS_HPP_

/*****************************************************************************
** Includes
*****************************************************************************/

#include "macros.hpp"

/*****************************************************************************
** Namespaces
*****************************************************************************/

namespace ecl {

/*****************************************************************************
** Concept [Stream]
*****************************************************************************/

template <typename Implementation>
class StreamConcept {
    public:

                ecl_compile_time_concept_test(StreamConcept)
        {
                stream << 'a';
                stream.flush();
        }

    private:
        // Putting instantiations here actually saves instantiation (which can cause a
        // problem if there is no default constructor).
        Implementation stream;
};

}; // namespace ecl

#endif /* ECL_CONCEPTS_STREAMS_HPP_ */