Re: [NoW] Once more about to-be-closed variables
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- Subject: Re: [NoW] Once more about to-be-closed variables
- From: Andrew Gierth <andrew@...>
- Date: 2019年7月03日 03:28:03 +0100
>>>>> "Patrick" == Patrick Donnelly <batrick@batbytes.com> writes:
>> Why an error must be raised if a value doesn't have the metamethod?
Patrick> I do wonder why not allow functions to be assigned and called
Patrick> when the local goes out of scope.
This feature existed when *toclose was first added, and was then
explicitly removed. One problem is that it lets lua code catch errors in
ways that a sandbox can't control.
See https://github.com/lua/lua/commit/4ace93ca6502dd1da38d5c06fa099d229e791ba8
--
Andrew.