Lua port of "try catch finally"

trycatch.lua

-- Lua try / catch port

-- example:
--[[
	TryCatch(
		-- try
		function()
			-- code to execute
			-- throw a message
			throw("some message")
		end,

		-- catch
		function(exceptionMessage)
			print(exceptionMessage)
		end,

		-- finally
		function()
			-- do something
		end
	)
]]

function TryCatch(try, catch, finally)
	local status, message = pcall(try)
	if catch and not status then
		catch(message)
	end

	if finally then
		finally()
	end
end

throw = error