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Also, the Objective-C Runtime reference[1]. About a decade ago, I learnt Objective-C in a day, by reading "The Objective-C Programming Language" and the Runtime

Also, the Objective-C Runtime reference[1]. About a decade ago, I learnt Objective-C in a day, by reading "The Objective-C Programming Language" and the Runtime Reference. It's such a beautiful and simple language, if you know C. I wish Swift were as simple and succinct. AFAIK, Objective-C++ is still the easiest way to bridge C++ code with Swift code. Knowledge of Objective-C is still relevant for anyone building apps that need to use C++ libraries. [1] https://developer.apple.com/documentation/objectivec/objective-c_runtime https://developer.apple.com/documentation/objectivec/objecti...

ethansinjin 3y ago
As of Swift 5.9, using Obj-C++ is no longer necessary! https://swift.org/documentation/cxx-interop/ https://swift.org/documentation/cxx-interop/
- saagarjha 3y ago
  Yes it is; Swift’s interop is still experimental and limited.
- pjmlp 3y ago
  That is still work in progress.
hugi 3y ago
Objective-C was my first "real" language, started working with it with almost no knowledge of C to make some Mac Apps on Rhapsody and later Mac OS X. Nice documentation and an awesome first language, not least due to the lovely Foundation and AppKit frameworks and the nice UIs of ProjectBuilder and InterfaceBuilder at the time. It was pure fun writing software in that environment.
- steve1977 3y ago
  I felt OPENSTEP/Cocoa was so far ahead of other frameworks. The ease of Visual Basic but the power of Visual C++
  - pjmlp 3y ago
    Kind of, you missed on Delphi and C++ Builder. Pity that Borland management has messed up and nowadays only enterprise developers care about them.