On Tue, Nov 18, 2014 at 4:40 AM, Guido van Rossum firstname.lastname@example.org wrote:
Wapping each result would just result in an extra allocation + deallocation per iteration...
Which is why I would be more inclined to use a sentinel of some sort... but that has its own problems. There's no perfect solution, so status quo wins unless a really compelling case can be made. I could toss something into the Alternate Proposals section, but I wouldn't be personally supporting it.