Re: Multiple assignment (was Bug report: LUA compiler glitch)
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- Subject: Re: Multiple assignment (was Bug report: LUA compiler glitch)
- From: marbux <marbux@...>
- Date: 2011年8月11日 09:07:55 -0700
On Thu, Aug 11, 2011 at 2:08 AM, Philippe Lhoste <PhiLho@gmx.net> wrote:
>> On Wed, Aug 10, 2011 at 02:14:37AM +0200, Steve Litt wrote:
>>>
>>> Can anyone explain the benefit of:
>>>
>>> a, b = 1, 2
>
> Can also be useful for init:
> local a, b, c = 1, 1, 1
> because you cannot do:
> a = b = c = 1
> like in C.
>
> In other languages like Java, I put one variable per line, but in Lua, I am
> more informal...
Can also do reassignment of values, as in:
a, b = 1, 2
a, b = b, a
--> a == 2, b == 1
... without creating intermediary temporary variables.
Best regards,
Paul