Using array as function parameter

[Armanyes]

I used this code to do the job:

function sample(par1, par2, par3)
	pars = {par1, par2, par3};
	for key, value in pairs (pars) do
	    Dialog.Message("Notice", value, MB_OK, MB_ICONINFORMATION, MB_DEFBUTTON1);
	end 
end

And it works fine but I think there must be a better way to do this, because parameters may increase or decrease during using the function.

Any one to help out

[Imagine Programming]

function sample(pars)
	if(type(pars) ~= "table")then
		error("argument #1: table expected, got " .. type(pars), 2);
	end

	for key, value in pairs(pars) do
		Dialog.Message("Notice", value, MB_OK, MB_ICONINFORMATION, MB_DEFBUTTON1);
	end 
end

local t = {"Hello", "World!!", "Tables", "are", "awesome."};
sample(t);

[Armanyes]

Thank you very much

[webultra]

This one also works

function sample(...)
    for key, value in ipairs (arg) do
        Dialog.Message("Notice", value, MB_OK, MB_ICONINFORMATION, MB_DEFBUTTON1);
    end
end
sample(1,2,3,4,5,6) 

[Imagine Programming]

Yes, but you then cannot store the multiple values in a table beforehand, unless you use unpack.

[Armanyes]

Thanks both of you. I have a little question: What is the difference between pairs and ipairs?

[Imagine Programming]

ipairs fetches the array-like indexes in an array (numeric) and pairs iterates over all keys.

- http://www.luafaq.org/#T1.10

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