printable_concept.h

#ifndef PASTELSYS_PRINTABLE_CONCEPT_H
#define PASTELSYS_PRINTABLE_CONCEPT_H

#include "pastel/sys/concept/concept.h"

#include <string>

// See concept.txt for why native types must be 
// defined _before_ the concept.
#include "pastel/sys/printable/native_printable.h"

namespace Pastel
{

    struct Printable_Concept
    {
        template <typename Type>
        auto requires_(Type&& t) -> decltype
        (
            conceptCheck(
                Concept::convertsTo<std::string>(asString(t))
            )
        );
    };

    using Printable_Archetype = integer;

}

#endif