Need to update Swift code to the newest version

Question

Prior to the new Swift version I was using the following code in my app. Now it launches an exception.

for (i, in 0 ..< len){ let length = UInt32 (letters.length) let rand = arc4random_uniform(length) randomString.appendFormat("%C", letters.characterAtIndex(Int(rand))) }

XCode says:

Expected pattern
Expected "," separator
Expected "in" after for-each pattern
Expected SequenceType expression for for-each loop

Changing the code with the proposed solutions doesn't change the exceptions thrown.

Any help is welcome to update the code to the current Swift version.

@Pyro, I uploaded the app last week and it was working fine. I guess that after the new update on 21st march to version 2.2, some part of my code has been deprecated. — mvasco
– mvasco, Commented Mar 27, 2016 at 5:49

Claus Jørgensen · Accepted Answer · 2016-03-27 05:55:03Z

4

For for syntax you are using have been deprecated, and should be changed to

for _ in 0..<len // rest of your code

answered Mar 27, 2016 at 5:55

Claus Jørgensen

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1 Comment

mvasco Over a year ago

Thank you Claus, let me check your proposal.

HardikDG · Accepted Answer · 2016-03-27 06:06:57Z

the question already has correct answer still i have converted it so posting here may be some get help from it

let len = 5 let letters:NSString = "str" for i in 0 ..< len { let length = UInt32 (letters.length) let rand = arc4random_uniform(length) let randomString:NSMutableString = "" randomString.appendFormat("%C", letters.characterAtIndex(Int(rand))) }

As some of the variable are not shown in the code i have made them based on the parameters

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