Swift version: 5.0
Swift's string interpolation means you can convert all sorts of data – including integers – to a string in just one line of code:
let str1 = "\(myInt)"
However, the more common way is just to use the string initializer, like this:
let str2 = String(myInt)
Available from iOS 7.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.