> Prior to C++17 such an evaluation order would have violated the standard Herb Sutter disagrees. [0] The C++ legalese you've quoted seems decisive, unfortunat

> Prior to C++17 such an evaluation order would have violated the standard Herb Sutter disagrees. [0] The C++ legalese you've quoted seems decisive, unfortunately Sutter's post doesn't mention it. See also [1][2]. edit quietbritishjim beat me to it, and with a better informed comment to boot. [0] https://herbsutter.com/2013/05/29/gotw-89-solution-smart-pointers/ https://herbsutter.com/2013/05/29/gotw-89-solution-smart-poi... (ctrl-f for known, and see also the comment thread at the bottom of the page) [1] https://stackoverflow.com/a/48844115/ https://stackoverflow.com/a/48844115/ [2] https://stackoverflow.com/a/46472497/ https://stackoverflow.com/a/46472497/