function rust_listing (dir, subpath)
	local module_name = subpath:gsub(".tex$",""):gsub("mod$",""):gsub("/","::")
	module_name = module_name:gsub((".?"):rep(47) .. "::", "%1\\breakline{}" )
	local caption = "\\texttt{" ..  module_name .. "}"
	tex.sprint(
		"\\lstinputlisting["
			.. "caption={" .. caption .. "}"
		.. "]{" .. dir .. subpath .. "}"
	)
end