We will automatically convert them to valid identifiers. I fear we are probably not doing that yet, but will get it done before we release a new version.
-- John On Jan 30, 2014, at 10:50 AM, Jonathan Malmaud <[email protected]> wrote: > 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 <[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 >> >
