In today's session we would be coving the ground rules for iOS developers while writing the swift code. We will discuss from adding comments to your code to writing extensions and protocols.  Use of Guard Statement Documenting you code Type Inference Final keyword for the classes  Why you should have `struct` as default  Always start with immutable variable when you're not sure about the mutability of it  Use self wisely or avoid using it where-ever you can Avoid Free functions Avoid Force unwrap and implicitly unwrapped Optional Use HIGH Order function but don't force them   **BONUS**: Use trailing Closure syntaxReach out me: twitter: @gouravnayyaryoutube: https://www.youtube.com/gouravnayyar--- Send in a voice message: https://podcasters.spotify.com/pod/show/gouravnayyar/message