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Recorded at:
Persistent Data Structures and Managed References
Presented by
Rich Hickey
on
Oct 01, 2009
Length 00:55:53
- Sections
- Development,
- Architecture & Design
- Topics
- Architecture ,
- Java ,
- Programming
- Tags
- Clojure ,
- QCon ,
- QCon London 2009
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- The next QCon is in London March 5-9, Join us!
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Summary
Rich Hickey’ presentation is organized around a number of programming concepts: identity, state and values. He explains how to represent composite objects as values and how to deal with change and state, as it is implemented in Clojure.
Bio
Rich Hickey, the author of Clojure, is an independent software designer, consultant and application architect with over 20 years of experience in all facets of software development.
About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.
Rich Hickey’ presentation is organized around a number of programming concepts: identity, state and values. He explains how to represent composite objects as values and how to deal with change and state, as it is implemented in Clojure.
Bio
Rich Hickey, the author of Clojure, is an independent software designer, consultant and application architect with over 20 years of experience in all facets of software development.
About the conference
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community. QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.
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no sound?
by
Shahbaz Chaudhary
Posted
Re: no sound?
by
Brian Edwards
Posted
Inspiring talk
by
Russell Leggett
Posted
Re: Inspiring talk
by
Alen Ribic
Posted
Re: Inspiring talk
by
Russell Leggett
Posted
Enlightening
by
Duraid Duraid
Posted
illuminating talk
by
nicolae caralicea
Posted
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Looks like a very interesting presentation. I am specifically interested in the distinction between mainstream programs being processes rather than functions and ideas on how to do less mutation in imperative programs. Unfortunately I can't hear any sound! Any one else having the same problem?
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Sound working for me on 10-07-2009 @ 12:53PM (GMT -5)
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I have been following Clojure for a little while now but I haven't jumped into it. After listening to this I think I'll definitely have to find a project I can use it for. Sadly I think that it being a Lisp will hold it back from gaining mainstream popularity, but I think it will influence many languages to come, especially in regards to the things Rich talked about here. I think that Erlang is great concurrency solution, but I think the way Clojure does it is better for more general purpose programming.
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> Sadly I think that it being a Lisp will hold it back from gaining mainstream popularity
On contrary, I think this might be one of the biggest things that separates Clojure from the rest in many beneficial ways. Clojure is making Lisp "fashionable" and Lisp brings invaluable benefits, accumulated over its 50 year history, to the language design that I think will give Clojure the longevity it needs to see it through next 50 years. -
Honestly, I hope you're right. Functional programming is definitely in vogue now, and perhaps Lisp was really just 50 years ahead of its time. I certainly think it is a superior language to many other mainstream languages currently in use, I'm just skeptical. I agree that it sets it apart, and it may draw the attention of some old Lisp hackers, but in the end I just doubt it'll go big. Nobody is proclaiming it to be the heir to the Java throne like Scala (which I think will attract the strongly typed crowd), and I think Groovy has good corporate backing and is picking up the dynamic crowd. That's not to say that it won't have a thriving community. And it may very well keep Lisp relevant for the next 50 years. I just don't think it'll have what most people consider "mainstream success". The same could be said for many other great languages. It's not an insult. I remember Joe Armstrong once being asked if he thought that Erlang would ever reach mainstream popularity. I believe he said something like, "I don't think so. But it will hopefully influence another language that is more accessible to the mainstream."
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This is an amazing talk. It laid in front of my eyes why concurrency is hard and why the computer model (memory + instructions) is not fit for the life model.
The same way garbage collection solved the memory management problem, Clojure's STM and Persistent Data Structures are higher level mechanisms for the concurrency problem. Amazing! -
After listening to it I understood why a language like Clojure and its great concepts deserves his place among Scala and Erlang. It also brings a lot to the table.
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