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Artwork for The Haskell Interlude

The Haskell Interlude

Haskell Podcast
Haskell
Functional Programming
Programming Languages
Scheme
Helium Haskell Compiler
Type Classes
Functional Reactive Programming
Type Systems
Plagiarism Detection
Agda
Hardware Design
Java
Software Architecture
Computer Graphics
Higher Order Abstract Syntax
AI Coding Assistants
Instance Chains
Extensibility
Blockchain
Fintech

This is the Haskell Interlude, where the five co-hosts (Wouter Swierstra, Andres Löh, Alejandro Serrano, Niki Vazou, and Joachim Breitner) chat with Haskell guests!

PublishesTwice monthlyEpisodes83Founded5 years ago
Number of ListenersCategory
Technology

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Artwork for The Haskell Interlude

Latest Episodes

We talked to Fraser Tweedale. Fraser works at Red Hat, and is on the Haskell Security Response Team. We talked about security in the context of Haskell, both technical and organizational issues, and also the political issues involved. Fraser's work i... more

Mike and Andres sat down with Torsten Grust, who is a professor of DB systems at the University of Tübingen. Even though Torsten loves SQL, he's used functional programming and Haskell to inform his work on query language design and compilation. We t... more

This is the first part of a miniseries on this year’s Symposium on Principles of Programming Languages, a.k.a. POPL 2026, hosted by Jessica Foster.

In this episode, we talk about: undergrad funding and participation, the behind the scenes of AV, cho... more

Peter is a professor at the University of Freiburg, and he was doing functional programming right when Haskell got started. So naturally we asked him about the early days of Haskell, and how from the start Peter pushed the envelope on what you could ... more

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Recent Guests

Fraser Tweedale
Red Hat engineer and member, Haskell Security Response Team
Red Hat
Episode: 82: Fraser Tweedale
Torsten Grust
Professor of Database Systems at the University of Tübingen
University of Tübingen
Episode: 81: Torsten Grust
Nicola Assellini
Undergraduate student, AV and conference participation focus
University at which Nicola studies (not explicitly stated)
Episode: 80: POPL 2026 - Part 1
Juan An
Undergraduate student at University of Pennsylvania
University of Pennsylvania
Episode: 80: POPL 2026 - Part 1
Chris Lam
AV team member, graduate student in programming languages
University of Illinois
Episode: 80: POPL 2026 - Part 1
Kim Worrell
PhD student, quantum programming languages researcher
University of Edinburgh
Episode: 80: POPL 2026 - Part 1
Frans Ul
Frans Ul? (Frans Hilderang likely Frans Ul Fransen), PhD student/guest discussing PL theory
Purdue University
Episode: 80: POPL 2026 - Part 1
Peter Thiemann
Professor at the University of Freiburg
University of Freiburg
Episode: 79: Peter Thiemann
Jamie Willis
Teaching fellow at Imperial College London
Imperial College London
Episode: 78: Jamie Willis

Host

Andres Löh
Co-host and long-time host, central to show discussions on Haskell and FP tooling.

Reviews

4.9 out of 5 stars from 51 ratings
  • I listen to this through and through weekly, on apple podcast, but audible has a better user experience imho. Every episode is a gem! Brilliant and amazing work! Definitely worth several listens.

    Audible
    5
    Omari Enso
    United States4 years ago
  • Enlightening & Entertaining

    I listen to this through and through weekly, on apple podcast, but audible has a better user experience imho. Every episode is a gem! Brilliant and amazing work! Definitely worth several listens.

    Audible
    5
    Omari Enso
    United States4 years ago

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#244
Argentina/Technology

Talking Points

Recent interactions between the hosts and their guests.

82: Fraser Tweedale
Q: What are the funding options for security work in the Haskell ecosystem?
Possible avenues include government grants, EU or national funding programs, and potentially direct funding from commercial users via the Haskell Foundation, including offering consulting hours or other benefits to fund security efforts.
82: Fraser Tweedale
Q: What happened with the cross-site scripting issue on Hackage and how long did it take to resolve?
It was a critical vulnerability that could have compromised user sessions across many packages; it took about 18 months to fully resolve, though there were earlier mitigations.
82: Fraser Tweedale
Q: What is the scope of the Haskell Security Response Team and what do you do day to day?
We manage an advisory database of security issues in the Haskell ecosystem, engage with stakeholders to make the data usable, publish best-practices guides, and coordinate a response to vulnerabilities to keep the ecosystem secure.
81: Torsten Grust
Q: What is the potential for compiling imperative languages into SQL, and what are the practical limits?
He explains that compilers can translate imperative styles into recursive CTEs or equivalent SQL representations, enabling near-native execution inside the database, though some higher-order patterns (like CPS-style code) need de-functionalization before targeting SQL.
81: Torsten Grust
Q: Are comprehensions expressive enough to replace SQL constructs, or is SQL still the practical backbone of querying?
He argues that monad comprehensions can express nearly all SQL constructs, and that comprehensions offer a uniform, executable framework that can transform and optimize queries, while acknowledging some SQL features like recursive queries require careful handling.

Audience Metrics

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Frequently Asked Questions About The Haskell Interlude

What is The Haskell Interlude about and what kind of topics does it cover?

The discussions tend to center on functional programming, with a strong emphasis on Haskell, its tooling, and practical application in academia, industry, and education. Episodes frequently explore language design, compilers, type systems, and how FP concepts map to real-world problems, such as database interfacing, live coding, teaching methodologies, and conference logistics. Notable throughlines include historical context for Haskell's evolution, hands-on pedagogy, and the intersection of research with production systems, often featuring guests who are leading researchers, educators, or industry practitioners. The show also stands out for its deep dives into tooling, performance, and interoperability, making it a valuable resource for de... more

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Which podcasts are similar to The Haskell Interlude?

These podcasts share a similar audience with The Haskell Interlude:

1. CoRecursive: Coding Stories
2. Oxide and Friends
3. Iowa Type Theory Commute
4. Software Engineering Radio - the podcast for professional software developers
5. Talk Python To Me

How many episodes of The Haskell Interlude are there?

The Haskell Interlude launched 5 years ago and published 83 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on The Haskell Interlude?

Recent guests on The Haskell Interlude include:

1. Fraser Tweedale
2. Torsten Grust
3. Nicola Assellini
4. Juan An
5. Chris Lam
6. Kim Worrell
7. Frans Ul
8. Peter Thiemann

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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