artem-shmatkov
/ COW-Impl.swift
Last active
March 27, 2021 08:22
— forked from LucianoPAlmeida/COW-Impl.swift
Swift example of How to implement COW for custom value types.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| final class Ref<T> { | |
| var val : T | |
| init(_ v : T) {val = v} | |
| } | |
| struct Box<T> { | |
| var ref : Ref<T> | |
| init(_ x : T) { ref = Ref(x) } | |
| var value: T { |
artem-shmatkov
/ COW.swift
Created
March 27, 2021 07:55
— forked from LucianoPAlmeida/COW.swift
Copy-on-Write
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import Foundation | |
| func print(address o: UnsafeRawPointer ) { | |
| print(String(format: "%p", Int(bitPattern: o))) | |
| } | |
| var array1: [Int] = [0, 1, 2, 3] | |
| var array2 = array1 | |
| //Print with just assign |