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An Objective-C pattern for making sum types - Example.m
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| #import "ExamplePrivate.h" // https://gist.github.com/hborders/12fcbe34cf4de68c2317bad92a8e223d | |
| @implementation Example | |
| - (instancetype _Nonnull)initPrivate { | |
| return [super init]; | |
| } | |
| - (void)switchFoo:(void (^ _Nonnull)(ExampleFoo * _Nonnull foo_))fooBlock | |
| bar:(void (^ _Nonnull)(ExampleBar * _Nonnull bar_))barBlock { | |
| // Subclasses must implement and call | |
| } | |
| @end |
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