Re: [ANN] Lua 5.2.0 (beta-rc1) goto syntax
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- Subject: Re: [ANN] Lua 5.2.0 (beta-rc1) goto syntax
- From: David Kastrup <dak@...>
- Date: 2011年6月16日 19:27:21 +0200
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
- References:
- [ANN] Lua 5.2.0 (beta-rc1) now available, Luiz Henrique de Figueiredo
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, Alexandre Erwin Ittner
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, Frank Meier-Dörnberg
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, David Kastrup
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, Frank Meier-Dörnberg
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, Eduardo Ochs
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, Frank Meier-Dörnberg
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, David Given
- Re: [ANN] Lua 5.2.0 (beta-rc1) now available, Roberto Ierusalimschy
- Re: [ANN] Lua 5.2.0 (beta-rc1) goto syntax, Edgar Toernig
- Re: [ANN] Lua 5.2.0 (beta-rc1) goto syntax, David Kastrup
- Re: [ANN] Lua 5.2.0 (beta-rc1) goto syntax, Edgar Toernig