An news on block lambda versus arrow function syntax?

Mark S. Miller erights at google.com
Tue Aug 30 08:53:57 PDT 2011


On Tue, Aug 30, 2011 at 7:26 AM, Dmitry A. Soshnikov <
dmitry.soshnikov at gmail.com> wrote:

> On 30.08.2011 18:22, Axel Rauschmayer wrote:
>
>> Is there a consensus building in TC39 for one or the other? Will any of
>> them make it into ES.next?
>>
>> What I like about block lambdas is that one will automatically use lexical
>> "this" where necessary. Just yesterday, dynamic "this" versus lexical "this"
>> bit me again.
>>
>
> Fat arrows IIRC also bind `this` lexically. The main thing of blocks is TCP
> where we can exit from passed closures to the outside, but not to the
> caller.
>
> Personally, I also like both: and arrows and blocks :)
>

On this matter, the one point on which we have achieved consensus is not to
do both ;).



>
> Dmitry.
>
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-- 
    Cheers,
    --MarkM
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