“The value of a constant doesn’t need to be known at compile time, but you must assign it a value exactly once.” Excerpt From: Inc, Apple. “The Swift Programmi

“The value of a constant doesn’t need to be known at compile time, but you must assign it a value exactly once.” Excerpt From: Inc, Apple. “The Swift Programming Language.” Apple Inc. Check out this book on the iBooks Store: https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewBook?id=881256329 https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewBook?...