--[[
	Creates a function that invokes a callback with correct error handling and
	resolution mechanisms.
]]

local function createAdvancer(traceback, callback, resolve, reject)
	return function(...)
		local ok, resultLength, result = runExecutor(traceback, callback, ...)

		if ok then
			resolve(unpack(result, 1, resultLength))
		else
			reject(result[1])
		end
	end
end

local function isEmpty(t)
	return next(t) == nil
end

local Promise = {
	Error = Error,
	Status = makeEnum("Promise.Status", {"Started", "Resolved", "Rejected", "Cancelled"}),
	_getTime = os.clock,
	_timeEvent = game:GetService("RunService").Heartbeat,
}
Promise.prototype = {}
Promise.__index = Promise.prototype
