Functional Geekery Episode 83 – Rahul Muttineni

In this episode I talk with Rahul Muttineni. We talk his path into software, exposure to functional programming, what lead to the desire to create Eta, what a Haskell on the JVM looks like, and more.

Our Guest, Rahul Muttineni

@rahulmutt on Twitter
@eta_lang on Twitter


Lambda Days will be taking place again on the 9th and 10th of February 2017. Visit to submit your talk and keep updated as more information becomes available.

Kats Conf 2 will be taking place in Dublin, Ireland on the 18th of February. Visit to register and for more information.

ClojureD will be taking place on the 25th of February, 2017, in Berlin, Germany. Visit to get tickets and keep updated as more information becomes available.

BOB Konf is taking place the 24th of February 2017 in Berlin, Germany. Visit for more information about the conference.

ElixirDaze is coming up on March 2nd and 3rd. With keynotes by Prag Dave Thomas and Saša Jurić, make sure to visit for more information and to register.

Destination Code, a new unconference starting in Utah, is having its inaugural event March 27-30th, 2017. Visit to find out more.

Erlang & Elixir Factory 2017 is on the 23rd and 24th of March. Visit for more information.

flatMap(Oslo) is a FP-conference with focus on Scala and the JVM, taking place on May 2nd and 3rd in Oslo, Norway. Please go to to learn more.

Elm Europe will be taking place June 8th and 9th in Paris, France. Visit for more information and to register.

If you have a conference related to functional programming, contact me, and I will be happy to announce it.

Topics [@4:41]

About Rahul
How Rahul got into software
Project Euler
Picking up Haskell in “high school”
Overview of Eta
The path to desiring to write a Haskell on the JVM
“That simple fact of being able to fall back to an existing technology helped me to understand the importance of the JVM”
Charles Nutter
Using Haskell Libraries in Eta
Translating STG intermediate language to the JVM intermediate language
Foreign Function Interface (FFI) in Haskell on the JVM
Overview of Java interop
What the interest in Eta looking like
Eta site
Eta as a fully lazy language on the JVM
Getting started with Eta
Integrating Eta and Spark
.hs file extension
Eta Package Manager
epm init
What areas could the community help support Eta
Web Application Interface (WAI) in Haskell
Thanks to those who support Eta
Eta Gitter
Eta Mailing List
Eta on Slack
Eta playground
Eta on Github

As always, a giant Thank You goes to David Belcher for the logo design.

One thought on “Functional Geekery Episode 83 – Rahul Muttineni

  1. Dhanush KJ

    Wonderful explanations which helps the new heads like us to understand the actual working of a functional Language and it’s advancements.


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