You need to review the source in the openjdk to see how the lazy evaluation is
performed. It should translate fairly easily.
Good luck !
> On Nov 13, 2018, at 12:54 AM, Iván Corrales Solera
> <ivan.corrales.sol...@gmail.com> wrote:
>
>
> Hey Robert,
>
>
> Thanks you so much for your comments.
>
> Yeah, actually I got background developing with other languages such as Java
> or Javascript or Python and actually the idea of creating Koazee is mainly
> produced by my experience with Streams in Java or the map reduce in
> Javascript. Anyway I haven't coded in Java in las 2 years so I will review
> the link that was provided by you in order to check the Java API.
>
> Thanks
>
>
>> On Tuesday, November 13, 2018 at 2:28:44 AM UTC+1, robert engels wrote:
>> You can pretty much look at the Java8 streams source (from OpenJDK) and port
>> it to Go. It would need to use interface{} or reflect - the former probably
>> being faster, but both wouldn’t have the type safety - but I think the code
>> would translate pretty easily. Still with IntStream, etc. you could get some
>> of the the type safety back.
>>
>> https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html
>>
>>
>>
>> > On Nov 12, 2018, at 5:51 PM, Bakul Shah <ba...@bitblocks.com> wrote:
>> >
>> >
>> >
>> >> On Nov 12, 2018, at 9:53 AM, ivan.c...@bbva.com wrote:
>> >>
>> >> Hey Bakul again,
>> >>
>> >> I've been having a look at kona, and the project looks so good, I will
>> >> look in deep trying to get some good ideas as you recommend me,
>> >
>> > Let me know (off-list) if you need help in deciphering things in kona.
>> >
>> >> In regards to the code generation, I've never done to be honest, but
>> >> obviously the performance should be better. By the way, @Marko_Ristin
>> >> created an issue asking for some performance testing. I think I will face
>> >> this issue before considering code generation. But in case of the
>> >> performance wasn't good at all, for sure that I consider your suggestion
>> >> about generate the code
>> >
>> > Yes, this may not simple....
>> >
>> >> And, what you mean when say "arbitrary streams (e.g. something built on
>> >> top of channels)?" Sorry for my bad understanding, Thanks in advance
>> >
>> > To me a "stream" can be arbitrarily long and may grow while you are
>> > operating on it. For example C's stdin, stdout etc. That means you
>> > can't always operate on a "whole" string all at once as you can
>> > with arrays. But many of the functions that operate on arrays are
>> > useful with real streams. For example, a service may be generating
>> > a stream of request log records. You may want to analyze these logs
>> > for a given time period and may be create a graph. E.g. you may
>> > have a pipeline like
>> >
>> > MakeStream(requestLogStream).
>> > StartAt(date1).
>> > EndBy(date2).
>> > GroupBy(requestorIP).
>> > Each(Count).
>> > ...
>> >
>> > Here GroupBy may generate a stream of streams. Note: I am just
>> > sketching the idea; there are many holes here.
>> >
>> > The idea is you can slice and dice these streams in various ways
>> > to make sense of your data. Basically you are building unix like
>> > pipelines but they are typed and you are not constrained by shell
>> > syntax.
>> >
>> > This will be non-trivial but can be a very useful package.
>> >
>> >
>> >>
>> >> El lunes, 12 de noviembre de 2018, 12:17:12 (UTC+1), Bakul Shah escribió:
>> >> On Nov 11, 2018, at 11:27 AM, Iván Corrales Solera
>> >> <ivan.corra...@gmail.com> wrote:
>> >>>
>> >>> Hey guys, last weeks I've been working on Koazee and I just released a
>> >>> very first version Titi, v0.0.1 .
>> >>>
>> >>> Koazee is a golang library inspired in Lazy evaluation and functional
>> >>> programming that provides us a rich set of operations that can be done
>> >>> over arrays. If you like the clean code and the functional programming
>> >>> I am sure you enjoy it!
>> >>>
>> >>>
>> >>> Documentation is hosted http://wesovilabs.com/koazee/
>> >>>
>> >>> And the full code can be found on Github,
>> >>> https://github.com/wesovilabs/koazee
>> >>>
>> >>> Any feedback or recommendation will be appreciated!
>> >>
>> >> Very nice! I like the clean interface.
>> >>
>> >> Some comments:
>> >>
>> >> - Can this handle arbitrary streams (e.g. something built on top of
>> >> channels)?
>> >> That would make a nice extension!
>> >> - You may wish to look at k3 (open source version @
>> >> https://github.com/kevinlawler/kona)
>> >> In particular https://github.com/kevinlawler/kona/wiki#verbs
>> >> There are some additional functions (verbs) and higher order functions
>> >> (adverbs)
>> >> that may be of interest and will fit in nicely within your framework.
>> >> PDFs of K 2.0 User and Reference manuals (listed under links) have much
>> >> more detail.
>> >> - May be you can provide another interface that *generates* Go code
>> >> instead of
>> >> executing it! If it can be made to generate more efficient code, devoid
>> >> of
>> >> reflect.
>> >>
>> >>
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