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-- 関数 ローカル変数 可変引数

-[[
	... 可変を表す
]]

function sum(...)
	local a = {...}
	local total = 0
	for i = 1, #a do
		total = total + a[i]
	end
	return total
end

print(sum(2, 5))
print(sum(2, 5, 7, 4))
print(sum(2, 5, 1, 3, 4))