On Wed, Nov 28, 2018 at 4:04 PM Steven D'Aprano <st...@pearwood.info> wrote: > > On Wed, Nov 28, 2018 at 03:27:25PM +0100, E. Madison Bray wrote: > > > I mostly agree with the existing objections, though I have often found > > myself wanting this too, especially now that `map` does not simply > > return a list. This problem alone (along with the same problem for > > filter) has had a ridiculously outsized impact on the Python 3 porting > > effort for SageMath, and I find it really irritating at times. > > *scratches head* > > I presume that SageMath worked fine with Python 2 map and filter? You > can have them back again: > > # put this in a module called py2 > _map = map > def map(*args): > return list(_map(*args)) > > > And similarly for filter. The only annoying part is to import this new > map at the start of every module that needs it, but while that's > annoying, I wouldn't call it a "ridiculously outsized impact". Its one > line at the top of each module. > > from py2 import map, filter > > > What am I missing?
Large amounts of context; size of code base. _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
