Module:Params/testcases/mdummy

local iface = {}

iface.echo_sb = function(frame)
	local args = frame.args
	local ret = ''
	local keys = {}
	for key,val in ipairs(args) do
		if not keys[key] then
			ret = ret .. '[' .. key .. '=' .. val .. ']'
			keys[key] = true
		end
	end
	for key,val in pairs(args) do
		if not keys[key] then
			ret = ret .. '[' .. key .. '=' .. val .. ']'
			keys[key] = true
		end
	end
	return ret
end

return iface