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在 2012-4-13，2:07，Nikita Popov <nikita....@googlemail.com> 写道：
> On Thu, Apr 12, 2012 at 7:38 PM, Robert Williams <rewilli...@thesba.com>
> wrote:
>> Also, remember that the closure is in fact another function, a function
>> that performs its own actions independent of the parent. Just as other
>> functions can pick whatever parameter names make the most sense to them
>> internally, I think it makes sense to allow closures to pick whatever
>> used-variables names make the most sense to them internally. It's
>> certainly not a requirement, but used judiciously, I think it can
>> definitely lead to easier-to-read (i.e., easier-to-maintain) code since it
>> means variables can be named to best reflect their usage in both parents
>> and closures.
> Thanks, this is convincing.
>
> The only thing I'm not really sure about then is whether it is a good
> idea to allow importing $this using an alias. As $this is already
> available by default I don't see much point in allowing it. It's
> somewhere between useless and confusion.
>
This $this is not that $this , plz thinking :
$closuer->bindTo
And $this become the new scope, but the alias still refer to the obj
who own this closure.
Thanks
> Nikita
>
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