--- Emulates tabstops with spaces

function Util.EmulateTabstops(text, tabWidth)
	local result = ""
	for i = 1, #text do
		local char = text:sub(i, i)

		result = result .. (char == "\t" and string.rep(" ", tabWidth - #result % tabWidth) or char)
	end
	return result
end

function Util.Mutex()
	local queue = {}
	local locked = false

	return function ()
		if locked then
			table.insert(queue, coroutine.running())
			coroutine.yield()
		else
			locked = true
		end

		return function()
			if #queue > 0 then
				coroutine.resume(table.remove(queue, 1))
			else
				locked = false
			end
		end
	end
end

return Util
