On 28/02/2021 23:47, Alan Gauld via Python-list wrote: > On 28/02/2021 00:17, Cameron Simpson wrote: > >> BUT... It also has a __iter__ value, which like any Box iterates over >> the subboxes. For MDAT that is implemented like this: >> >> def __iter__(self): >> yield from () > > Sorry, a bit OT but I'm curious. I haven't seen > this before: > > yield from () > > What is it doing? > What do the () represent in this context? >
Thanks for the replies. I should have known better but I was thinking some cleverness with callables and completely forgot the empty tuple syntax. Oops! -- Alan G Author of the Learn to Program web site http://www.alan-g.me.uk/ http://www.amazon.com/author/alan_gauld Follow my photo-blog on Flickr at: http://www.flickr.com/photos/alangauldphotos -- https://mail.python.org/mailman/listinfo/python-list
