Protocol-Oriented Programming in
Swift {width=“600” height=“368” srcset=“tumblr_nqe5e41a5x1qz82meo1_1280.png 600w, tumblr_nqe5e41a5x1qz82meo1_1280-300x184.png 300w” sizes="(max-width: 600px) 100vw, 600px"}

From the WWDC15 talk “Protocol-Oriented Programming in Swift”

Print it and put it in your wallet.

Rui Peres

Print it and put it in your wallet. pic.twitter.com/bhVADs7Hdj

— R. Peres (@RuiAAPeres) June 22, 2015