This is a solution a found of a question, here i dont understand what is the function of +

I don’t understand what you are saying in the title. Can you please provide a link to what you are working on and more fully describe what you need help with? Thanks.


I’ve edited your post for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.

See this post to find the backtick on your keyboard.
Note: Backticks (`) are not single quotes (’).

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