When to use mix and match
With mix and match, we can update our current Objective-C project using Swift. We can also use any framework written in Objective-C within our Swift projects and use newer frameworks written in Swift in our Objective-C projects.
For developers that have been using Apple products for a long time, they might find a similarity between mix and match and Rosetta, which Apple started including with OS X 10.4.4 Tiger. OS X 10.4.4 was the first version of Apple's operating system that was released with Apple's first Intel-based machines. Rosetta was written to allow many PowerPC applications to run seamlessly on the new Intel-based machines.
For those developers who are new to Apple products, you might not have heard of Rosetta. ...
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