Re: 2nd version: try..catch for Lua, now "finally" supported
[
Date Prev][
Date Next][
Thread Prev][
Thread Next]
[
Date Index]
[
Thread Index]
- Subject: Re: 2nd version: try..catch for Lua, now "finally" supported
- From: Mark Hamburg <mhamburg@...>
- Date: 2008年1月30日 11:40:05 -0800
on 1/30/08 10:48 AM, Fabien at fleutot+lua@gmail.com wrote:
> Incidentally, by writing this example, I'm thinking that maybe the
> catch-blocks and the finally-block should share the same scope as the
> try-block (i.e. if local h was declared after the "try" above, it would still
> be accessible to the "finally" code. Just as the "until" condition in plain
> Lua's "repeat...until" is in the loop body's scope). I'm interested by
> potential users advices, before maybe putting that in metalua 0.4.
Horrendous flow control problems in that case:
try
error( "Throw" )
local x = 3
catch err do
print( x )
end
At the point where we threw the error, x did not exist.
Mark