subject:"What's clojure killer app\? I don't see any."

Re: What's clojure killer app? I don't see any.

2014-06-16 Thread John Chijioke

Beautiful beautiful answer. I couldn't have said my mind any better. Thanks for 
taking the time to construct this expression. One day Clojure will be so 
dynamic that targeting any platform becomes just a paltry effort.

Cheers!

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Re: What's clojure killer app? I don't see any.

2014-06-15 Thread gamma235

Hi Paulo,

I saw this question a while back and for some reason it became lodged in my
mind. If you are concerned about whether Clojure is a good practical
language to learn, I can understand your worries and say, resoundingly, go
for it. Why? because after learning Clojure, and perhaps answering the
question of what is special about it? rather than what is the killer
app you will understand the underpinnings and inner-workings of so many
important but very opaque concepts: data, language design principles,
identity and state. I used many languages before I came to Clojure but I
would say that it was through Clojure that I really learned computer
science, making me a more valuable programmer. Clojure is a language for
people who are interested in sane, pragmatic approaches to language
design in terms of mutability, primitives and the relationship between the
data and its code representation (spoiler, in Lisps they are elegantly one
and the same thing). Rich Hickey, at every step of the way thoughtfully
designed a language for programmers to be effective with. So to reiterate,
learning Clojure is not just about learning how to use Clojure, but also
about learning why it is designed how it is. And that is groovy.

The reason I picked up Clojure was not to get a job, but because I thought
it was cool. People who are focussed on industry from the beginning just
take what they hear and run with it. They ignore Clojure because it is not
on the top of the popular usage charts. If you can get past industrial
adoption of Clojure apps and look at things from the perspective of a
learner, you will see that Clojure has many stories: a concurrency story,
a Lisp story, a logic programming story, an asynchronous story. Name a
feature and Clojure has it going on. This makes learning it an efficient
use of your time: you can learn one language, write a 10th of the code you
would otherwise, and tackle an incredibly wide range of problems that you
would be using multiple languages to do otherwise. It has a front end
story, a back end story, a dynamic story, a functional story... And all of
these stories are possible due to the incredible library ecosystem that
Clojure has, as well as the enthusiastic and creative people that make up
the Clojure community. These are people who love to learn and have fun
through coding. Which brings me to my next point:

Clojure has an AMAZING community. Most of the time, when I have a dumb
newbie question, if I ask it here, the very people who wrote the books I am
reading will come clarify things for me, patiently helping me out. In other
languages, however, if the question requires a non-trivial understanding of
the way the language itself is implemented, those grandmasters are a lot
less accessible. As a learner, why pass up this opportunity? I am not
saying that other languages don't have great communities, but I am saying
that I think Clojure has something special in this department. In fact, I
was recommended to learn Clojure by a Haskell programmer for this very
reason. Which is telling, because Haskell programmers really love and
actively promote that language.

Now with all that said, the question was specifically about apps. I think
that Datomic and Storm are both pretty freaking cool. Check them out.
Twitter is heavy into Storm. I also know that Citibank is using Clojure,
though for what exactly, I am not sure. But in light of the above, is this
really what is attractive about learning the language?

I hope you can get something out of my response. And best of luck learning
one of the coolest languages out there!

On Friday, May 2, 2014 12:43:49 PM UTC+9, Paulo Suzart wrote:

Really thanks. Great talk.
On 1 May 2014 21:21, Ustun Ozgur ustun...@gmail.com javascript:
wrote:

Paulo, I understand your concerns, you are basically taking a bet in
choosing Clojure and you want some confirmation that you will not be
wasting time/money during the process.

Please watch Jay Fields' talk on this topic. I think he presents the
upsides and downsides of his journey very well. One remark is that it was
very tiring, it has been like having a second job (he remarks that he
luckily didn't have any children during the process IIRC) but it was worth
it in the end.

http://yow.eventer.com/yow-2013-1080/lessons-learned-from-adopting-clojure-by-jey-fields-1397

Ustun

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