Streamable.h

Go to the documentation of this file.

/* Copyright 2019 Kristofer Björnson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef COM_DAFER45_TBTK_STREAMABLE
#define COM_DAFER45_TBTK_STREAMABLE

#include <string>

namespace TBTK{

class Streamable{
public:
    virtual std::string toString() const = 0;

    friend std::ostream& operator<<(
        std::ostream &stream,
        const Streamable &streamable
    );
};

inline std::ostream& operator<<(
    std::ostream &stream,
    const Streamable &streamable
){
    stream << streamable.toString();

    return stream;
}

}; //End of namespace TBTK

#endif