Swift : Convert (cast) String to Double

Helping out a colleague to solve this simple task of converting string value to double today. Putting down this solution here and hope it can be useful as tutorial for other Swift programmers.

Problem :

How to convert (cast) String to Double in Swift programming language ?

Solution :

 var str = "123.456"
 var doubleNSString = NSString(string: str)
 var toDouble = doubleNSString.doubleValue

Reference :

Apple Documentation on NSString doubleValue

  See also : Swift : Convert (cast) Int to String ?

By Adam Ng

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