Copy.swift

import Foundation


// This code is contained inside "some" framework, like UIKit, Foundation e.t.c.
class RandomStringGenerator {
    
    static func makeRandomString() -> NSString {
        return "some random string"
    }
}

// Run inside main project
let randomString = RandomStringGenerator.makeRandomString()
print(randomString)


/*
Question: how ARC set up keywords?
*/