-- This is here as a placeholder.

-- It is to demonstrate to Google-Code-in students what the module sandbox is.



local p = {}



function p.cats(frame)

	local title = frame.args.title or ""

	local ttlobj = mw.title.new( title, 14 )

	if ttlobj then

		local cont = ttlobj:getContent()

		if cont then return cont:sub( 1, 100000 ) end

	end

end



function p.namespaces(frame)

	local ns = mw.site.namespaces

	local msg = ""

	for k, v in pairs(ns) do

		msg = msg .. k .. " = " .. v.name .. "<br>"

	end

	return msg

end



p.roundto = function(frame)

	local x = tonumber(frame.args.x) or 0

	local sf = tonumber(frame.args.sf) or 0

	if x == 0 then return 0 end

	local s = 1

	if x < 0 then

		x = -x

		s = -1

	end

	if sf < 1 then sf = 1 end

	local p = 10 ^ (math.floor(math.log10(x)) - sf + 1)

	x = math.floor(x / p + 0.5) * p * s

	-- if it's integral, cast to an integer:

	--if x == math.floor(x) then x = math.floor(x) end

	return x

end



return p