90     explicit HelperImpl(const T& functor) : functor_(functor) {}  in HelperImpl()
92       return functor_();  in Run()
94     T functor_;  member
120     explicit HelperImpl(const T& functor) : functor_(functor) {}  in HelperImpl()
122       return functor_(p1);  in Run()
124     T functor_;  member
151     explicit HelperImpl(const T& functor) : functor_(functor) {}  in HelperImpl()
153       return functor_(p1, p2);  in Run()
155     T functor_;  member
183     explicit HelperImpl(const T& functor) : functor_(functor) {}  in HelperImpl()
185       return functor_(p1, p2, p3);  in Run()
187     T functor_;  member
216     explicit HelperImpl(const T& functor) : functor_(functor) {}  in HelperImpl()
218       return functor_(p1, p2, p3, p4);  in Run()
220     T functor_;  member
250     explicit HelperImpl(const T& functor) : functor_(functor) {}  in HelperImpl()
252       return functor_(p1, p2, p3, p4, p5);  in Run()
254     T functor_;  member