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This tutorial belongs to the Swift series
A comment in Swift can take 2 forms: a single-line comment, and a multi-line comment.
A single-line comment is written like this:
// this is a commentand it can be put at the end of a line of code:
let a = 1 // this is a commentA multi-line comment is written using this syntax:
/* this
is
a multi-line
comment
*/Swift allows you to nest multi-line comments:
/* this
is
a /* nested */ multi-line
comment
*/which is handy especially when commenting out large portions of code that already contains multi-line comments.