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- Subject: RE: goto
- From: Adam Wozniak <adam@...>
- Date: Tue, 20 Jul 1999 09:06:50 -0700
> From firstname.lastname@example.org Tue Jul 20 03:23:13 1999
> You are probably best to use goto to get out of an error condition
> when in deeply nested code, tagmethods can work
> like exceptions in this case and jump you out.
> It's unfortunate that 'return' has to be the last statement in a
> function, it would be quite useful in these circumstances if it
> could be used anywhere.
I wasn't aware this was the case. Where is this documented?
Can you show an example of using tagmethods like exceptions?
> > I don't think I *really* need my microwave oven, or my automobile,
> > but I find them convenient tools to have around at certain times.
> > "Djikstra considered harmful"
> > I don't think Lua *really* needs 'repeat' and 'if'. After all,
> > 'while' should be sufficient for doing everything these other
> > keywords do. However, I sometimes find it convenient to use one
> > or the other, depending on what the task at hand is.
> > There are actually a small handful of algorithms where the code
> > actually does look cleaner with a 'goto' than it would with
> > other constructs. Most languages have some kind of construct
> > for unconditional, non-returning branches.
> > --Adam