I have a question about function

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#1

I know what a function is, but I don’t know how to use it

Two days ago, I knew how to use it and know everything about it, but I am now 40 years old, which means I am forgetting =(

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#2

You can execute code inside with additional parameters:

function do(msg)
    print(msg)
end

do("hi")

What?

#3

No, I need an explanation @SomeFedoraGuy

#4

This is my real age, I know you don’t believe

#5

Doesn’t the documentation provide enough explanation?

#6

So, since you know what a function is, I’ll just write code snippets with explanation.

local function printSomething(thing)
	print(thing)
end

printSomething("Hello, World!") -- Prints `Hello, World!` to the output, very simple

Now, let’s make it print n things

local function printThings(...) -- `...` indicates inf parameters!
	print(...)
end

printThings("Hello, World!", "\n", "\t\t", "Hello, World!") -- prints `Hello, World!<new line><new line> <increase indent><another increase>Hello, World!`

Now, returning.

local function sum(a, b)
	return a + b
end

print(sum(1, 3)) -- 4

Challenge!
Change the sum function to accept n parameters and return the sum of all of them, reply with your try and I’ll help u with it, you can also pm if that’s better for you.
now, table with functions.

local t = {} -- Just making a table here

-- Let's add a function now, lets do the `sum` function.

function t.sum(a, b)
	--[=[
		notice how we didn't include `local`, this function is in a table
		so writing local before it will actually error.
	]=]
	return a + b
end

print(t.sum(1, 3)) -- 4
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#7

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