What do people do in a function return(_)?

I was watching someone code and i saw them do

function get()
	for _,v in pairs(game.Players:GetPlayers()) do
		if v.Name == title.Text then
			return(_)
		end
	end
end

This is for a spectating script and later on they do

local num = get()

and they add +1 to num. I dont understand how that function even returns a number value?

Note: This answer assumes (kinda) that you have knowledge on for loops, functions, tuples, etc. If not, links/explanations are supplied at the end of the answer.

Return is a function that, well, returns a value (or values) when prompted to. In the case of your script, it returns an index (I like to call it an iteration/iterator, as you'll see later on). The return function can be used for different purposes, such as returning a value in a table:

local exampletable = {'Hello', 'World'}

function GetValue(tbl, val)
	for i, v in next, tbl do
		if v == val then
			return i, v
		end
	end
	return nil, nil --< Returns nothing if there was no match; a "fail-safe"
end

local i, v = GetValue(exampletable, 'World')
print(i, v)--> 2 World

As you'll see (or noticed XP) it'll return what the current iteration in the table was, and what value it was on when it found the match. To note, you don't always need to use return like that; you can even use it for CONFUSING MATH!!! >>:O

function Add(...) --> `...` is a tuple
	local numbahs = {...}
	local num = 0
	for i, v in next, numbahs do
		num = num + v
	end
	return num
end

print(Add(5, 7, 1, 3), 'was the final result') --> 16 was the final result

And as you'll see (again XP) it returned all the numbers added up! :D

I'm tired, so I'm gonna leave here. Bai...

GET BACK HERE! FINISH IT!

Alright. ;-;

There's so many possibilities you can use return for, and there's many advantages to using it! Don't be afraid to use it, or anything else you may discover! You might be surprised in what you might find. :)

NOW, ONTO THE ST00F!!!! >>:OOOOOOOOO

St00f touched on, yet barely explained by this fr00b

1. Tuples - The ability to use as many arguments in a function as much as you want! :D The catch: You gotta account for each and every one, and (don't quote me on this) put it in a table. qq

2. Generic Fors - A for loop that returns both the iteration and value in a table. Only catch is that you need to give it a table. (Please don't quote me on that qq)

3. Return - Returns values given to it.

Tyvm for reading! ^^ I hope this helped!

Hi PoePoeCannon,

I am just going to say it as it is and tell it you simply. Return(_) is the same as just return, as in it just ends the function right there. The reason they were probably using it was to keep count of something, like increase this number until you hit a certain value. Once you hit the value, just end the function right there, that's how it looks like to me.

Thanks,

Best regards,

~~ KingLoneCat