+1 Ray
Could you contribute your implementation(s)?
On Thu, Jun 11, 2009 at 12:51 PM, Joel Webber <[email protected]> wrote:
> +1 Ray. Now here's the really tricky question. Is there any way we can take
> advantage of Javascript's "for (x in y) { ... }" syntax (and should we,
> given its spotty performance)? My intuition tells me that the only way we
> could use it would be through a callback, because there's nothing like .NET
> generators/yield in Javascript.
>
> On Wed, Jun 10, 2009 at 7:26 PM, Ray Cromwell <[email protected]>wrote:
>
>> My take on this is that there is many places where I'd like to avoid
>> JRE collections, but the basic JsArray is too much of a downgrade. I
>> don't mind changing it to <T> if it doesn't effect performance cause
>> then I could subclass it, but as an example of the stuff I would like
>> in a 'FastArrayList' that is not a collections derivative:
>>
>> 1) add() instead of just set(length(), item) (e.g. push)
>> 2) addAll(anotherFastArrayList) (e.g. concat)
>> 3) splice
>> 4) toArray() (webmode is reinterpret cast op)
>> 5) remove
>> 6) shift/unshift (useful for queue when combined with pop)
>>
>> I use the following pattern all over GQuery to avoid JRE collections
>> but preserve for-each
>>
>> for(Foo f : fooList.elements()) { ... }
>>
>> where fooList is my own JsArray<T> class, and elements() returns T[]
>> via reinterpret cast in webmode.
>>
>> -Ray
>>
>>
>>
>> On Thu, Jun 11, 2009 at 2:43 AM, Lex Spoon<[email protected]> wrote:
>> >
>> > Bah, mis-send. What I was typing was:
>> >
>> >
>> >> I though the point was to get rid of JRE collections? Anyway, the
>> >> collection in question is used as a queue. I would hate to see its
>> >> performance get worse when there'
>> >
>> > ...when there's a known, straightforward alternative, and when that
>> > alternative provides a class people have been wanting for separate
>> > purposes.
>> >
>> >
>> > Lex
>> >
>> > >
>> >
>>
>
>
> >
>
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