What I learned in Swift @whatilearnedinswift - Tumblr Blog

Enumerations can be used instead of “Magic Strings” in Swift. One good use is comparisons of segue identifiers.

#swift #whatilearnedinswift #segues #enumerations #enums

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Swift 1.2 got rid of the required, parameterless initialiser of UIViewController. No longer can we call UIViewController()

#whatilearnedinswift #swift #UIViewController #init

Swift 1.2 includes improvements to the language, this includes breaking changes. This post documents the main highlights of what’s changed.

Topics covered: as, swift enums, let, if let, sets

To migrate Swift code to use Swift 1.2 a handy migrator tool can be found in Xcode at Edit > Convert > To Latest Swift Syntax...

For in depth documentation of all the changes with Xcode 6.3 see the release notes.

For a more in depth view of the highlights Ray Wenderlich also goes into a bit more depth.

#whatilearnedinswift #swift #swift 1.2 #xcode 6.3 #migrator #sets #enums #as

It turns out that being open ended decreases performance. See how in Swift performance can be improved by specifying final / private / Whole Module Optimization

Check out here how to turn on Whole Module Optimization in Xcode 6.3

#whatilearnedinswift #swift #final #private #wholemoduleoptimization #performance #optimization

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