What's the plan for reading in files that have a header row with non-valid Julia identifiers?
On Wednesday, January 29, 2014 10:03:39 PM UTC-5, John Myles White wrote: > > Please go ahead and add deprecation warnings. > > — John > > On Jan 29, 2014, at 6:51 PM, Simon Kornblith > <si...@simonster.com<javascript:>> > 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 >>> >>> >
