On 05/16/2017 03:27 PM, Tim Song wrote: > https://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Safe_bool Oh, I see. I'm not going to stop someone adding it, but for me, it's quite far down my priority list. > I suspect that we don't want adding two ovl_iterators together to compile. Why would anyone write that :) nathan -- Nathan Sidwell