Ah heh yes, I couldn't remember.

foo.constructor === Object

is what cljs.core/object? does.

David

On Wed, Aug 5, 2015 at 12:00 PM, Marc Fawzi <[email protected]> wrote:

> A JS question for the CLJS master :)
>
> I think by 'foo.constructor.prototype === Object'
>
> you meant either this: foo.constructor.prototype === Object.prototype
>
> or this: a.constructor === Object
>
> but not 'foo.constructor.prototype === Object'
>
>
>
>
>
>
>
>
> On Wed, Aug 5, 2015 at 7:51 AM, David Nolen <[email protected]>
> wrote:
>
>> Er, that test would have be `foo.constructor.prototype === Object`.
>>
>> David
>>
>> On Wed, Aug 5, 2015 at 10:50 AM, David Nolen <[email protected]>
>> wrote:
>>
>>> There is no simple test for plain objects, `typeof x` will return
>>> `"object"` for many things. only `foo.constructor === Object` is going to
>>> work. This is not as fast as it would seem.
>>>
>>> We're not going to add any more cases to `get`.
>>>
>>> I've said all I'm going to say about this matter :)
>>>
>>> David
>>>
>>> On Wed, Aug 5, 2015 at 10:43 AM, Peter Taoussanis <[email protected]
>>> > wrote:
>>>
>>>> > Yes performance. We not adding any more cases to `get`.
>>>>
>>>> `get`'s implemented with `cond` - adding an object case after other
>>>> conditions (before `:else nil`) wouldn't affect performance in any real
>>>> way, would it?
>>>>
>>>> Is object property access not a pretty common occurrence?
>>>>
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>>>
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