![swift - Why does change of a substring take no effect on string it subtracted from? - Stack Overflow swift - Why does change of a substring take no effect on string it subtracted from? - Stack Overflow](https://i.stack.imgur.com/3rd8t.png)
swift - Why does change of a substring take no effect on string it subtracted from? - Stack Overflow
GitHub - vuinguyen/SubstringHashSwift: Program to find an 8-letter substring within a string that produces a given hash solution. Written in Swift 2.2 as part of my job application for the iOS Developer
![if statement - Swift I couldn't add substring end of variableString, value stay same, what is wrong? - Stack Overflow if statement - Swift I couldn't add substring end of variableString, value stay same, what is wrong? - Stack Overflow](https://i.stack.imgur.com/AyZLf.png)