Please go ahead and add deprecation warnings. — John
On Jan 29, 2014, at 6:51 PM, Simon Kornblith <[email protected]> wrote: > I believe two identical symbols are the same object, which implies that Dict > lookup shouldn't require hashing. I haven't benchmarked this, though. > > Since this is a huge change (although one that I am in favor of) that > presumably affects a lot of existing code, any objection if I add some > deprecation warnings? > > Simon > > On Wednesday, January 29, 2014 8:46:19 PM UTC-5, Cristóvão Duarte Sousa wrote: > BTW, is there some documentation about the choice of symbols vs strings for > this kind of stuff (dictionary keys, optional function args, etc.)? Are > symbols more efficient for this? > > > > On Wednesday, January 29, 2014 5:11:20 PM UTC, John Myles White wrote: > As we continue trying to prune DataFrames down to the essentials that we can > reasonably commit to maintaining for the long-term future, we've decided to > start using only symbols for the names of columns and remove all uses of > strings. > > This change will go live on master today, so please don't pull from master > until you're ready to update your code. > > -- John >
