Re: [ANN] Lua 5.2.0 (beta-rc1) goto syntax

[HyperHacker <hyperhacker@...>]

On Thu, Jun 16, 2011 at 11:27, David Kastrup <dak@gnu.org> wrote:
> Edgar Toernig <froese@gmx.de> writes:
>
>> David Kastrup wrote:
>>> Edgar Toernig <froese@gmx.de> writes:
>>>
>>> > In my experience, it helps reading and understanding code if the
>>> > jump-statement gives a hint about the direction the jump takes,
>>> > forward or backward.
>>>
>>> A common use case for goto is the implementation of state machines.  It
>>> would complicate the generation of them if you had to specify the
>>> direction where the label is to be found.
>>
>> Hmm... for some definition of "complicate", yes.  But at the same time
>> you help later readers to find the target state in the code (code is
>> read more often then written, so time spent making reading easier pays
>> off).
>
> That's what comments are for.
>
> --
> David Kastrup
>
>
>

I suppose there's no technical reason you couldn't have all three:
backto future --to redo
skipto myloo --to skip ahead
goto heck --to jump to a label whose relative position we don't know yet

-- 
Sent from my toaster.