sjjaffe/cpp-useful-iterators @ 1d265b7341a64a1f49021cd30e359927bcdcc5db

Sam Jaffe 1c7d9584a5 Segregate and shrink names for recursives.		4 lat temu
..
arrow_proxy.h	4165d56213 Add a C++17 version of iterator_facade using type deduction.	4 lat temu
traits.h	013f9c4155 Alter recursive iterator w.r.t. new facade code.	4 lat temu