Ruby 2.3 Will Have Optional Chaining
Swift, C#, and Groovy had it – now Ruby 2.3 will get it, too: a “safe navigation operator”, or what we call “optional chaining”.
if u && u.profile && u.profile.thumbnails && u.profiles.thumbnails.large
You can now write (with the beta):
They didn’t use the
? because Ruby method names usually have a postfix question mark when they return a boolean; also, they will have a postfix bang when they mutate the receiver. This would’ve led to confusion.
Since Swift came out, I haven’t used Ruby a lot, really. I still use it for all my scripting needs, but coding real applications? Rarely. I really like strong typed languages for that: leaning onto the compiler for refactorings and such.
See the Ruby enhancement issue if you’re curious.