Method CircleNoncopyable

test/te.cpp:161–161

struct CircleNoncopyable {
  CircleNoncopyable() = default;
  CircleNoncopyable(const CircleNoncopyable &) = delete;
  CircleNoncopyable &operator=(const CircleNoncopyable &) = delete;
  CircleNoncopyable(CircleNoncopyable &&) = default;