147   auto sub1 = [](const ValueHolder& h) { return h.value - 1; };  // NOLINT [readability/braces]  in TEST()  local
151   using list_titer = decltype(MakeTransformIterator(input.begin(), sub1));  in TEST()
158   using list_ctiter = decltype(MakeTransformIterator(input.cbegin(), sub1));  in TEST()
165   using list_rtiter = decltype(MakeTransformIterator(input.rbegin(), sub1));  in TEST()
172   using list_crtiter = decltype(MakeTransformIterator(input.crbegin(), sub1));  in TEST()
179   std::copy(MakeTransformIterator(input.begin(), sub1),  in TEST()
180             MakeTransformIterator(input.end(), sub1),  in TEST()
185   std::copy(MakeTransformIterator(input.cbegin(), sub1),  in TEST()
186             MakeTransformIterator(input.cend(), sub1),  in TEST()
191   std::copy(MakeTransformIterator(input.rbegin(), sub1),  in TEST()
192             MakeTransformIterator(input.rend(), sub1),  in TEST()
197   std::copy(MakeTransformIterator(input.crbegin(), sub1),  in TEST()
198             MakeTransformIterator(input.crend(), sub1),  in TEST()
204   auto it = MakeTransformIterator(input.begin(), sub1);  in TEST()
205   decltype(MakeTransformIterator(input.cbegin(), sub1)) cit = it;  in TEST()