TIL how to persist business logic with Swift Combine

Read From ground to FPV drone: introduction (russian). Will return to it later.

Todo: I should definitely create playground for various pointers:

Swift                               C
UnsafePointer<T>              const T&ast;

UnsafeRawPointer              const void&ast;

UnsafeMutablePointer<T>          T&ast;

UnsafeMutableRawPointer          void&ast;

UnsafeMutableBufferPointer

Read Control UI with gestures (Keras + CoreML)(russian). Simple guide. I should follow it.

Bookmarking Persist Business Logic With Swift Combine.