FYI: Ceylon

[Alex Rønne Petersen]

On 14-07-2012 07:00, Nick Sabalausky wrote:
> On Fri, 13 Jul 2012 16:49:03 -0700
> "H. S. Teoh"<hsteoh at quickfur.ath.cx>  wrote:
>
>> On Sat, Jul 14, 2012 at 01:31:02AM +0200, Paul D. Anderson wrote:
>>> I took a quick look at the Ceylon language (http://ceylon-lang.org/)
>> [...]
>>> They also have couple of operators, '===' and '<=>' meaning
>>> 'identical' and 'compare', respectively.
>>
>> Yikes! As soon as I saw '===', I went "no way, no how". That's one of
>> the most egregious flaws of languages like JavaScript. And they have
>> 'is' on top of that?! Double yikes! What _must_ their type system look
>> like?!
>>
>
> Indeed. '===' operators are generally, if not always, indicative of a
> thoroughly broken '=='.
>

The way Ceylon did it is definitely insane. But, I don't think having 
=== *or* is, in addition to ==, is inherently bad. === would just be the 
reference comparison operator, while == would always be for whatever 
equality a class/interface has defined.

-- 
Alex Rønne Petersen
alex at lycus.org
http://lycus.org