Swift version: 5.10
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
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Available from iOS 7.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
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