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by eonil
4293 days ago
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Swift is just a fresh new language which is compiled statically just like C/C++. Swift's Objective-C compatibility mode is a kind of ugly extension feature to support their legacy code. The compiler makes inter-op stuffs automatically. You can target only down to 7.0 because Apple set the goal of 7.0. There should be some stuffs required to support Swift, anyway it doesn't matter unless you're a runtime engineer. Point is earlier than 7.0 is out of support by Apple. |
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