Objective-C's lightweight generics let you specify element types for collections like NSArray<NSString *>. They catch type mismatches at compile time and improve Swift bridging.
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Updated
Feb 13, 2026 - Objective-C
Objective-C's lightweight generics let you specify element types for collections like NSArray<NSString *>. They catch type mismatches at compile time and improve Swift bridging.
Allows conversion between Swift String and C++ std::wstring, respecting platform differences in wchar size and encoding
Objective-C's nullability annotations tell the compiler which pointers can be nil. They catch bugs at compile time and make your code bridge to Swift cleanly.
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