Send an unknown method call: Difference between revisions
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Generally speaking, pure Swift is a very statically typed language, and calling unknown methods is impossible. However, Swift provides a few ways in which instances of specially marked objects can receive unknown method calls. |
Generally speaking, pure Swift is a very statically typed language, and calling unknown methods is impossible. However, Swift provides a few ways in which instances of specially marked objects can receive unknown method calls. |
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==Objective-C Compatibility Using @objc== |
===Objective-C Compatibility Using @objc=== |
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The first case is used for interfacing with legacy Objective-C libraries. Objective-C is heavily dynamic with Smalltalk-style message passing. So Swift must be able to participate in this. |
The first case is used for interfacing with legacy Objective-C libraries. Objective-C is heavily dynamic with Smalltalk-style message passing. So Swift must be able to participate in this. |
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