Luau Sample Function

sample.lua

--!strict

-- src: https://gist.github.com/Uradamus/10323382
local function shuffle<T>(tbl: { T }): { T }
	tbl = table.clone(tbl)
	
	for i = #tbl, 2, -1 do
		local j = math.random(i)
		tbl[i], tbl[j] = tbl[j], tbl[i]
	end

	return tbl
end

local function sample<T>(array: { T }, pool: { T }): T
	if #pool == 0 then
		return sample(array, shuffle(array))
	end
	
	return table.remove(pool) :: T
end

local names = {"Foo", "Bar", "Baz", "Qux"}
local pool = {}

for _ = 1, 20 do
	print(sample(names, pool))
end