Optional Strong Typing

J B port25 at gmail.com
Fri Aug 23 13:20:03 PDT 2013


https://brendaneich.com/2007/11/my-media-ajax-keynote/ I liked reading
this...

https://mail.mozilla.org/pipermail/es-discuss/2008-August/006837.html This
is depressing.


On Fri, Aug 23, 2013 at 2:50 PM, J B <port25 at gmail.com> wrote:

> @Brendan "Those are warnings, but WarnScript was a bad name" --you mean
> the tools (IDEs, closure compiler, etc) throw warnings, but not the Chrome
> debugger, for instance, right?
>
>
> On Fri, Aug 23, 2013 at 2:37 PM, Brendan Eich <brendan at mozilla.com> wrote:
>
>> J B wrote:
>>
>>> @Brendan - The typing wouldn't be used at all during run-time. So,
>>> unlike AS3, it wouldn't check if types were valid, and it wouldn't try an
>>> kind of implicit coercion.
>>>
>>>
>> Ok, that's not "typing" (I mean not a type system).
>>
>> "Those are warnings, but WarnScript was a bad name" - me at JSConf.au
>> last November.
>>
>> The unsoundness means you have something that needs strong tool support,
>> not just an error or JS console in which to spew. TypeScript got this right.
>>
>> This again puts unsound warning "types" outside of the standards track
>> for a while. But carry on with TypeScript etc. -- TC39 is tracking.
>>
>> /be
>>
>
>
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