Swift Programming Basics - Constants - Part 31 June 2015·48 words·1 min· loading · loading · LikeAuthorPeter EntwistleSenior iOS Developer, with a passion for technology and gardening. Trying to push the boundaries of what can be grown in the UK. In this third video I show you how constants work in Swift, and explain why they are important.Video#Code#Constants.swift1 2 3 4 5 var str = "Hello, youtube" let name = "Peter" let a: Int = 42View on GitHubDownload the code