Re: Is the vector a sequence?

2018-04-28 Thread Alexander Yakushev 
You might also want to check 
this: http://bytopia.org/2016/03/08/what-is-a-list/

On Friday, April 20, 2018 at 6:33:02 PM UTC+3, ru wrote:
>
> Hi,
>
> user=> (seq? [1 2 3 4 5])
>
> false
>
> user=> 
>
>
> Sincerely,
>
>   Ru
>

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Re: Understanding GraalVM and Clojure

2018-04-28 Thread Khalid Jebbari 
Thank you for the link.

Le sam. 28 avr. 2018 à 00:35, Egg Syntax  a écrit :

> Karin Meier has done some experimentation using Clojure on GraalVM to call
> R and Python, and has a blog post
> 
>  and repo
>  
> that
> you may find interesting.
>
>
> On Thursday, April 19, 2018 at 6:00:14 AM UTC-4, Khalid Jebbari wrote:
>>
>> Hello,
>>
>> Oracle has just announced GraalVM 1.0 release candidate:
>> https://blogs.oracle.com/developers/announcing-graalvm
>>
>> It mentions a few JVM-based language but not Clojure (maybe just because
>> of popularity).
>> - Does it mean Clojure is not "compatible" with GraalVM ?
>> - Does it mean Clojure needs to be reimplemented in terms of GraalVM's
>> Truffle framework ?
>> - Does it mean Clojure can be run as a native binary with fast startup
>> time and minimized memory footprint ?
>>
>> If someone with some knowledge could explain to me the relationships
>> between Clojure and GraalVM ? Bonus points if Alex Miller answers and share
>> the plans, if any, about their integration/interaction.
>>
>> Thanks a lot in advance. really curious to understand more.
>>
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Re: Is the vector a sequence?

2018-04-28 Thread Peter Hull 
On Friday, 20 April 2018 22:39:41 UTC+1, Rick Moynihan wrote:
>
> It's also worth mentioning vectors are sequential:
>
I'd be interested to know what is the purpose of sequential. The docs for 
sequential?  just say it 
implements Sequential, and clojure.lang.Sequential 

 
is an interface with no behaviour of its own. So what extra could you do if 
you knew something was sequential? Is it something to do with Java interop? 

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Re: Is the vector a sequence?

2018-04-28 Thread Alex Miller 
sequential? is useful for partitioning the collection space for conditional 
behavior.

In particular, sequential? covers vector, list, and sequence, all of which 
compare equal.

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Re: Understanding GraalVM and Clojure

2018-04-28 Thread Nathan Fisher 
Another interesting post on Clojure and Graal

https://www.innoq.com/en/blog/native-clojure-and-graalvm/
On Sat, Apr 28, 2018 at 10:01 AM, Khalid Jebbari 
wrote:

> Thank you for the link.
>
> Le sam. 28 avr. 2018 à 00:35, Egg Syntax  a écrit :
>
>> Karin Meier has done some experimentation using Clojure on GraalVM to
>> call R and Python, and has a blog post
>> 
>>  and repo
>> 
>>  that
>> you may find interesting.
>>
>>
>> On Thursday, April 19, 2018 at 6:00:14 AM UTC-4, Khalid Jebbari wrote:
>>>
>>> Hello,
>>>
>>> Oracle has just announced GraalVM 1.0 release candidate:
>>> https://blogs.oracle.com/developers/announcing-graalvm
>>>
>>> It mentions a few JVM-based language but not Clojure (maybe just because
>>> of popularity).
>>> - Does it mean Clojure is not "compatible" with GraalVM ?
>>> - Does it mean Clojure needs to be reimplemented in terms of GraalVM's
>>> Truffle framework ?
>>> - Does it mean Clojure can be run as a native binary with fast startup
>>> time and minimized memory footprint ?
>>>
>>> If someone with some knowledge could explain to me the relationships
>>> between Clojure and GraalVM ? Bonus points if Alex Miller answers and share
>>> the plans, if any, about their integration/interaction.
>>>
>>> Thanks a lot in advance. really curious to understand more.
>>>
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Re: Clojure/flutter

2018-04-28 Thread 'Adam Tait' via Clojure 
I've been considering the same trade-offs recently. I looked at 
ClojureScript->RN but found the levels of indirection, the heavy number of 
libraries and lack of concurrency (important on mobile devices) make me 
unenthusiastic. I've also looked at Flutter (& DartLang) but coming from 
Clojure I wasn't excited about Dart, and Flutter also similarly lacked 
concurrency. 

I landed on good ol' C++, bridged by Dropbox's djinni interface DSL + 
tooling (https://github.com/dropbox/djinni). Performance & compatibility 
were all there, plus it allows me more freedom to make trade-offs about 
what parts of my app are implemented in shared code - and what's 
implemented directly in native (ObjC/Swift or Java/Kotlin) or using 
libraries only available in those languages. Being C++, I should be able to 
use Scheme or Common Lisp though I haven't tried yet.

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Re: Clojure/flutter

2018-04-28 Thread Estevo U. C. Castro 
Just in case you hadn't heard of this:

https://github.com/takeoutweight/clojure-scheme

sábado, 28 de Abril de 2018 às 08:07:13 UTC+2, Didier escreveu:
>
> The thing about Clojure->native, is that Clojure needs a pretty powerful 
> runtime.
>
> So we'd need to piggy back on something native that similarly has a strong 
> runtime. Common Lisp maybe, or Go.
>
> I'd vote for Go.
>
>

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Re: Clojure/flutter

2018-04-28 Thread Gregg Reynolds 
On Sat, Apr 28, 2018 at 6:50 PM, Estevo U. C. Castro 
wrote:

> Just in case you hadn't heard of this:
>
> https://github.com/takeoutweight/clojure-scheme
>
> Thanks. Alas, most recent update seems to be 5 years ago. :(

I know there have been some efforts along these lines but AFAIK they have
all petered out.  Anybody have the latest dope?

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