Thursday, September 24, 2015

Swift 2.1

Russ Bishop (comments):

If you thought Apple was slowing down with Swift, think again. Xcode 7.1 Beta 2 includes Swift 2.1. As always you can check the release notes for yourself because I don’t necessarily address everything here.


If only private things are modified in a file then it does not trigger recompilation of all files that depend on it. In some cases this can have a huge performance benefit


Function/closure types now have covariance and contravariance.

Update (2015-10-14): Russ Bishop covers Swift 2.1 Beta 3.

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