The Existential Operator

Brendan Eich brendan at mozilla.org
Thu May 22 22:31:54 PDT 2014


Claude Pache wrote:
>> Le 23 mai 2014 à 03:04, Brendan Eich<brendan at mozilla.org>  a écrit :
>>
>> C. Scott Ananian wrote:
>>> I've written a lot of coffeescript code and the existential operator is indeed one of the joys of the language.  I like David's
>> You mean Claude's?
>>
>> /be
>
> I must confess to have asked myself the same question at first reading :-p But see the message of Axel posted a few hours ago in this thread.

Where Axel wrote

 > David seems to suggest a compositional version: `o?.p?.q?.r`

I see a different problem: so heavyweight that many people will say it 
isn't worth the cost of standardizing, and what about the `?(` form in 
CoffeeScript?

/be

>
> —Claude
>
>>> attempt to bring rigor and compositionality to it.
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