I had seen macros to support a quasi-message-send signature from Rust (`let value = [[cls.into() numberWithUnsignedInt:42u32] stringValue];`), but never method

I had seen macros to support a quasi-message-send signature from Rust (`let value = [[cls.into() numberWithUnsignedInt:42u32] stringValue];`), but never method implementations! https://belkadan.com/blog/2020/08/Objective-Rust/ https://belkadan.com/blog/2020/08/Objective-Rust/