--!strict
--[=[
	@function shift
	@within Array

	@param array {T} -- The array to shift.
	@param count? number -- The number of items to shift.
	@return {T} -- The shifted array.

	Removes the first item from an array and returns the array
	with the item removed.

	```lua
	local array = { 1, 2, 3 }

	local new = Shift(array) -- { 2, 3 }
	local new = Shift(array, 2) -- { 3 }
	```
]=]
local function shift<T>(array: { T }, count: number?): { T }
	local length = #array
	local result = {}

	count = if type(count) == "number" then count + 1 else 2

	for i = count, length do
		table.insert(result, array[i])
	end

	return result
end

return shift