local function pack(...)

	return {...}, select('#', ...)

end



local function mapArray(func, array, count)

	local result = {}

	for i = 1, count or #array do

		resulti = func(arrayi])

	end

	return result

end



local function quote(value)

	if type(value) == 'string' then

		return (string.gsub(string.format('%q', value), '\\\n', '\\n'))  -- Outer parentheses remove second value returned by gsub

	end

	local str = tostring(value)

	if type(value) == 'table' and str ~= 'table' then

		return '{' .. str .. '}'

	end

	return str

end



local function callAssert(func, funcName, ...)

	local result, resultCount = pack(func(...))

	if not result1 then

		local args, argsCount = pack(...)

		args = mapArray(quote, args, argsCount)

		local message = mw.ustring.format(

			'%s(%s) failed',

			funcName,

			table.concat(args, ', ')

		)

		error(message, 2)

	end

	return unpack(result, 1, resultCount)

end



return callAssert