TIL꞉ today I learned

Watched again WWDC 2015 session 409 Optimizing Swift Performance

Apr 21, 2019

Watched again WWDC 2015 session 409 Optimizing Swift Performance.

TIL - abbreviation for today I learned: used in writing, for example on social media, before giving interesting new information. TIL "Hey Jude" and "Bohemian Rhapsody" were both recorded using the same piano.