Swift version: 5.2
Swift strings don't have a built-in way to convert to a
Double, but their
NSString counterparts do. To convert between strings and doubles, just do this:
let myString = "556" let myFloat = (myString as NSString).doubleValue
SPONSORED Are you tired of wasting time debugging your Swift app? Instabug’s SDK is here to help you minimize debugging time by providing you with complete device details, network logs, and reproduction steps with every bug report. All data is attached automatically, and it only takes a line of code to setup. Start your free trial now and get 3 months off exclusively for the Hacking with Swift Community.
Available from iOS 7.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
Link copied to your pasteboard.