Is Rust really capturing mindshare when it's still in Alpha? I've read tons of complaints here on HN over that language.

I think that it's impossible to predict what will be hot or not in the future. You have a zillion frameworks, plug-ins, and languages competing for mindshare, and I ultimately think that no one of these will be 100% dominant. People who like Lisp are going to love working in Lisp no matter what, and those that don't, wont, and it's that simple. You can't expect people who are most comfortable working in Java to move to a Lisp, and you most certainly can't ask a Lisper to do something that looks at all like Java.

I think one thing that will stunt Clojure, is the death of SICP at MIT and Berkely. SICP makes and excellent case for immutability and functional programming, and that knowledge is now more difficult to find and teach. I think the semi-movement from RoR programmers testing out Clojure wasn't going to last, and if people thought that RoR programmers were really going to move to Clojure and make it popular, with its lack of frameworks and anti-OO philosophy, they weren't thinking about the situation too well.

Regardless, Clojure is the only Lisp that currently has a chance for wider adoption, with Heroku and the JVM.

Are MIT and Berkeley still so influential that stopping teaching SICP could affect the future of Clojure, and Lisps in general? MIT and Berkeley grads as a proportion of all programmers is much lower now than it was 10 or 20 years ago.

Also, from what I've seen of Rich Hickey's presentations and speeches he's doing a pretty good job making the case for immutability and functional programming.

Yeah, I think so... It's not so much the idea of the raw number of student who go to those schools, but the thought that other schools look toward them for some direction. If I recall that article from the retired teacher from Berkeley correctly, he used to help other teachers teach SICP and Scheme.

I'm going on the assumption that there is some feedback loop going on here, and that without people actually being exposed to Lisp in school, then there is probably going to be less people even aware of Lisp's existence. I wonder how many schools will drop Lisp completely now after MIT and Berkeley dropped it.

Now, if Clojure looked like Python, I bet dollars to donuts it would be the number one language in use already.

Scala was originally released in 2003, and Clojure wasn't released until 2007. There's your difference, I think. I still see Clojure as having a strong chance of becoming a major language. The language itself is relatively stable now, and the I've noticed the community shift towards making it easier for newcomers to get started and improving documentation.

Interesting point about the relative release dates - I had no idea there's 4 years between Clojure and Scala.

Making Clojure easier for newcomers would be a boon - I've battled with setup and configuration each time I've tried to use Clojure. Having a simple but powerful REPL environment like IPython would be fantastic.

Fastest way to start with Clojure (besides the online REPL at http://tryclj.com) is to get yourself leiningen (the widely used build tool for clojure projects under: http://github.com/technomancy/leiningen) and a plugin/mode for your editor of choice, do "lein new <your project name>" and start a REPL via "lein repl" to get working.

> Having a simple but powerful REPL environment like IPython would be fantastic.

Download and install leiningen (http://leiningen.org) and then you can start up a repl with 'lein repl'.

I wrote a little web app using clojure and when it came to deployment I was really positively surprised:

1) 'lein ring uberwar'

2) copy resulting war file into your tomcat webapps directory

3) you're done

There's also a heroku plugin if you don't like hosting yourself.

Without leiningen clojure is just unusable though. You have to mess with classpathes and wrapping java command line calls in boilerplate.

God, I hope not. It is a great language with amazing data types and features. I personally think evolutionary language design goes in the wrong direction when they are pushed in the directions demanded by a community of trend-seekers.

Clojure has a chance to become a major language among those who do not fear parentheses.

Lisp in any form will never be mainstream. That doesn't mean that Clojure can't establish a survivable niche for itself but it will never be as popular as Ruby or Python, never mind Java.

I also think that fear of parentheses will remain mainstream.

Yes, Indeed.

This is a very sad commentary on humanity.

Language adoption does not happen at a linear rate. Ruby languished for a decade until Rails made it hot. Javascript was a neat toy for years, until cross-browser frameworks, like Prototype and JQuery, made it developer friendly. The revival of Erlang, and Lua, is also very interesting.

English books made Ruby hot. Not Rails. Rails was only possible because Ruby was already gaining enough users and an international community.

I guess the issue with my usage of the word "hot" is its relative measurement of popularity. Just like the original comment's use of "widespread".

IMHO I doubt that any language that is bound to some infrastructure (i.e. jvm) and isn't actively supported by the organization behind that infrastructure will ever become a "major" language. If there were a native clojure interpreter/compiler (or at least multiple implementations following a stable specification of the language & the core library), things would be different, I guess.

I don't know what you mean by widespread. But work on it does not seem to be slowing down, and it is a really good language, so I think it will only grow.

I don't think a functional (or even a dynamic?) language has really made to the enterprise yet so I, for one, don't feel too concerned with that question.

There were also some folks going from Scala to Java...