Celebrate ClojureX with CIDER!

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M-x

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Hey there!

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Божидар

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Bozhidar

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Bug cool

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Sofia, Bulgaria

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Then (2015++)

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Now (2017)

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@bbatsov

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The CIDER Guy

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Chief Brewing Officer @ CIDER’s Brewery

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Celebrate clojurex with Cider

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Clojure Interactive Development Environment that Rocks

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… for Emacs

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Sales Update

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Customer Satisfaction

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110%

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1110%

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Customer Testimonials

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CIDER is like a box of chocolates. You never know what’s the error you’re going to get next. — Forest Grump

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People say the best debugger is a good night’s sleep. Well, it’s clear they haven’t used CIDER’s debugger. — Diana Prints

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The amount of articles you have to read to get CIDER working with ClojureScript is comparable to the size of “War and Peace”! — Luke Parenwalker

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Ever since I switched to Emacs and CIDER for Clojure development the local grocery store doubled the volume of alcohol they were selling monthly. — Mick Swagger

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CIDER can supposedly do everything, but I can’t ﬁgure out how to do anything with it. — Hairy Porter

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ClojureX 2016

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CIDER 0.15 (london)

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Spec Browser

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Stacktrace Improvements • Stacktraces in the REPL have clickable code locations • Project root namespace is highlighted in REPL stacktraces • You can ﬁlter a stacktrace to just the frames that are related to your project

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Documentation improvements • Format nicely code blocks in Grimoire buffers • Support special forms in cider-apropos and cider-grimoire- lookup • Use view-mode for Grimoire buffers

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Misc • Reconnect to the same host & port after cider-restart • Enhanced ElDoc for Datamic queries (disabled by default) • Reader conditionals font-locking

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Misc • Make it possible to load all ﬁles in a project (cider-load-all- files) • Easier browsing of the REPL history (cider-repl-history) • Improved integration with compliment and fuzzy completion support for company-mode • Many new conﬁguration options • Make the debugger more robust (no more “Method code too large!” errors)

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CIDER 0.16 (Riga)

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Deferred middleware loading

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Zero startup overhead from using cider-nrepl

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In other news…

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clj-refactor

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clojure-mode

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inf-clojure

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inf-clojure 2.0 • Planck support • Lumo support • Socket REPL support (via inf-clojure-connect) • Font-locking in the REPL

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inf-clojure is too heavy and complex!

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nREPL

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nREPL is now FREE from the clojure-contrib!

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nREPL 0.3.0 will be a drop-in replacement for nREPL 0.2.13

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Contributing to nREPL is extremely easy now!

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Bug’s nREPL 1.0 wishlist

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Make Clojure 1.7 the minimum supported version

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Support ClojureScript natively

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Ability to inject middleware into a running nREPL server

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Reﬁne and polish existing middleware

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Misc bugﬁxes and improvements

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And the best part - it’s all just Clojure! ;-)

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https://github.com/cemerick/ nREPL

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The Future of CIDER

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CIDER 0.17

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Codename “Andalucía”

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Rework connection management https://github.com/clojure-emacs/cider/pull/2069

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Figure out what’s wrong with the TravisCI build with Emacs 26

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Leverage a real EDN parser in Emacs (e.g. parseclj)

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Frequently Asked Questions

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Q: Is There any roadmap for the future of CIDER?

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A: No, not really.

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Improved experience for newcomers

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More polished UI/UX

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Built-in refactoring

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Feature Parity between ClojureScript and Clojure

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Support for the Clojure 1.8 socket REPL

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Decouple CIDER from nREPL • Introduce some backend independent connection API in CIDER • Extract the nREPL client code to a separate library • Split cider-nrepl into a REPL-agnostic library and nREPL middleware leveraging it

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Roadmap = Plan + Time

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Roadmap = Plan + Time

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Q: Are there any plans to support unrepl?

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A: Only extremely vague ones.

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Q: Is conference-driven development still a thing?

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Conference-driven development

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Clojure/conj EuroClojure ClojureX ClojureRemote

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Clojure/west

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Bug’s break-up Rock-bottom

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A: Unfortunately not.

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Q: Are you still drinking excessive amounts of alcohol?

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Q: What holds CIDER back?

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Me • Crazy work-load • A ton of open-source project I’m involved with • A home remodeling gone wrong • I’m not doing much Clojure these days

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A lot of moving parts

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Few contributors

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No funding

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Lack of focus (competing efforts)

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Q: Have you considered doing a fundraising campaign for CIDER?

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A: Yeah, I have.

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Q: How can we help?

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A: Contribute!

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Felina

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Credits twitter: @bbatsov github: @bbatsov http//batsov.com http://emacsredux.com ClojureX 2017 London, United Kingdom 05.12.2017