[Date Prev][Date Next][Thread Prev][Thread Next]
[Date Index]
[Thread Index]
- Subject: Re: setfenv/getfenv
- From: Tony Finch <dot@...>
- Date: Tue, 12 Jan 2010 17:21:59 +0000
On Tue, 12 Jan 2010, Francesco Abbate wrote:
>
> I will try to rationalize the complaints. Many people complaints about
> the removal of getfenv/setfenv because:
> 1) you lose the ability of sandboxing a script that you load
> 2) with userdata you are losing the opportunity of:
> - let the Lua GC be aware of cross dependencies between userdata objects
> - let a userdata store some Lua data.
(2) is invalid because setfenv and getfenv cannot manipulate userdata
environments in 5.1 so there's no change in 5.2
Tony.
--
f.anthony.n.finch <dot@dotat.at> http://dotat.at/
GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR ROUGH. SQUALLY SHOWERS.
MODERATE OR GOOD.
