During the C++ standards committee meeting in March 2016, the evolution working group moved to merge Concepts into the mainline C++17 standard, but the motion was defeated in full committee.
2016년 3월에 열린 C++ 표준 위원회 회의에서 evolution working group은 콘셉트를 C++17에 포함시키려했지만, full committee에서 실패했다.