local Luan = require "luan:Luan"
local load = Luan.load
local Io = require "luan:Io"
local print = Io.print
local Table = require "luan:Table"


function print_if_something(...)
	if Table.pack(...).n > 0 then
		print(...)
	end
end

function debug(prompt)
	prompt = prompt or "luan_debug> "
	local function console()
		return Io.read_console_line(prompt)
	end
	local env = {}
	for line in console do
		try
			local fn = load(line,"stdin",env,true)
			print_if_something( fn() )
		catch e do
			print(e)
		end
	end
end