We use code comments to add information to our code.
With Swift, you can add a one-line code comment, multiple-line code comments, and nested code comments.
Use the double backslashes // to start a one-line code comment.
//One line code comment
You can fill up one line with these types of comments.
A multiline comment starts the comment with a backslash and
asterisk /*, write the comment, and end it with an asterisk and backslash */.
/* Multiple line code comment Use this when you need to provide more detail */
Swift supports nested comments.
/*
/*
Define a and b constants
*/
let a = 1
let b = 2
/*
Define c and d constants
*/
let c = 3
let d = 4
*/
In the code above the last comments is nested comments.