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תוכן מסופק על ידי Taylor Fausak. כל תוכן הפודקאסטים כולל פרקים, גרפיקה ותיאורי פודקאסטים מועלים ומסופקים ישירות על ידי Taylor Fausak או שותף פלטפורמת הפודקאסט שלהם. אם אתה מאמין שמישהו משתמש ביצירה שלך המוגנת בזכויות יוצרים ללא רשותך, אתה יכול לעקוב אחר התהליך המתואר כאן https://he.player.fm/legal.
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Avoiding Nested Errors
Manage episode 292128891 series 2509229
תוכן מסופק על ידי Taylor Fausak. כל תוכן הפודקאסטים כולל פרקים, גרפיקה ותיאורי פודקאסטים מועלים ומסופקים ישירות על ידי Taylor Fausak או שותף פלטפורמת הפודקאסט שלהם. אם אתה מאמין שמישהו משתמש ביצירה שלך המוגנת בזכויות יוצרים ללא רשותך, אתה יכול לעקוב אחר התהליך המתואר כאן https://he.player.fm/legal.
How can you avoid deeply nested error handling code? This week we review Gabriella Gonzalez’s trick for keeping error handling flat.
58 פרקים
Manage episode 292128891 series 2509229
תוכן מסופק על ידי Taylor Fausak. כל תוכן הפודקאסטים כולל פרקים, גרפיקה ותיאורי פודקאסטים מועלים ומסופקים ישירות על ידי Taylor Fausak או שותף פלטפורמת הפודקאסט שלהם. אם אתה מאמין שמישהו משתמש ביצירה שלך המוגנת בזכויות יוצרים ללא רשותך, אתה יכול לעקוב אחר התהליך המתואר כאן https://he.player.fm/legal.
How can you avoid deeply nested error handling code? This week we review Gabriella Gonzalez’s trick for keeping error handling flat.
58 פרקים
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Haskell Weekly

Thanks to everyone who filled out the 2021 State of Haskell Survey! This week Cameron and Taylor review the results. https://taylor.fausak.me/2021/11/16/haskell-survey-results/
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Haskell Weekly

This week Cameron and Taylor answer our first listener question: How should you structure large applications? We compare ReaderT with MTL along with other approaches. https://join.slack.com/t/haskell-foundation/shared_invite/zt-mjh76fw0-CEjg2NbyVE8rVQDvR~0F4A
We’re back! After a month off, Cameron and Taylor get together to talk about what’s new in the Haskell world. https://www.haskell.org/ghc/blog/20211029-ghc-9.2.1-released.html https://haskellweekly.news/survey/2021.html
Cameron Gera and Taylor Fausak discuss Drew Olson’s adventures in looping. What should you do if you want to loop forever, but break out of the loop early sometimes? https://blog.drewolson.org/adventures-in-looping
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Haskell Weekly

Special guest Tom Sydney Kerckhove talks with Taylor Fausak about a denial of service vulnerability in Aeson, a Haskell library for JSON. https://cs-syd.eu/posts/2021-09-11-json-vulnerability https://hackage.haskell.org/package/sydtest-0.4.0.0 https://hackage.haskell.org/package/genvalidity-0.11.0.2 https://hackage.haskell.org/package/yamlparse-applicative-0.2.0.0…
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Haskell Weekly

Taylor Fausak talks with Cameron Gera about Evoke, Taylor’s latest GHC plugin for deriving instances without generics or Template Haskell. https://taylor.fausak.me/2021/09/10/evoke/
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Haskell Weekly

1 Dependent Haskell with Vladislav Zavialov 56:15
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Curious about dependent types? Special guest Vladislav Zavialov from Serokell breaks it down for us. We discuss comparisons to refinement types, sigma and pi types, interactions with linear types, and much more! https://serokell.io/blog/developing-ghc-for-a-living https://twitter.com/int_index
Stack, HLint, and Brittany, oh my! Cameron Gera and Taylor Fausak go on a deep dive into the ACI Learning tech stack. https://www.acilearning.com
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Haskell Weekly

Back from summer break, Cameron Gera discusses the Witch library with it’s author, Taylor Fausak. Learn about the many motivations behind this simple library for converting values between various types. https://taylor.fausak.me/2021/07/13/witch/ https://hackage.haskell.org/package/say-my-name-0.1.0.0…
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Haskell Weekly

There’s a lot to like about Haskell, but what is it missing? We explore Alexander Granin’s post where he suggests some topics for books that could benefit the Haskell community. https://github.com/graninas/The-Voids-Of-Haskell/blob/9b401e33af37f991dcb3ab2eedc023661237d845/README.md
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Haskell Weekly

1 Simple Haskell Handbook with Marco Sampellegrini 42:27
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Special guest Marco Sampellegrini talks with us about his recent book, The Simple Haskell Handbook. The book describes a project driven approach to Haskell development, using a continuous integration server as a motivating example. https://leanpub.com/simple-haskell-book
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Haskell Weekly

Should you organize modules vertically or horizontally? This week we take a look at another article by Gabriella Gonzalez, this time about organizing projects and packages. https://www.haskellforall.com/2021/05/module-organization-guidelines-for.html
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Haskell Weekly

How can you avoid deeply nested error handling code? This week we review Gabriella Gonzalez’s trick for keeping error handling flat. https://www.haskellforall.com/2021/05/the-trick-to-avoid-deeply-nested-error.html
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Haskell Weekly

1 Haskell Foundation with Andrew Boardman 53:45
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Curious about the Haskell Foundation? This week we interview Andrew Boardman, its Executive Director. He explains the Foundation’s purpose and how you can help. https://haskell.foundation https://fpchat-invite.herokuapp.com https://funprog.zulipchat.com/login/ https://wiki.haskell.org/IRC_channel https://discourse.haskell.org https://twitter.com/myShoggoth https://myshoggoth.com https://joyofhaskell.com/posts/2021-02-24-why-stm.html…
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Haskell Weekly

What happens to exceptions when you don’t explicitly handle them? This week we review Taylor’s blog post about default exception handlers. https://taylor.fausak.me/2021/04/03/default-exception-handler-in-haskell/
Special guest Cody Goodman walks us through an interesting PostgreSQL bug. Handling async exceptions properly is trickier than you might expect! https://www.parsonsmatt.org/2021/03/17/async_control_flow.html https://github.com/codygman/tech-roam/blob/master/20210326113249-haskell_persistent_issues_postgres_connections_are_returned_to_pool_too_quickly.org…
Byte string, text, and vector, oh my! This week we review Michael Snoyman’s proposal to unify vector-like types. Learn about boxed versus unboxed values, pinned versus unpinned memory, and more. https://www.snoyman.com/blog/2021/04/haskell-base-proposal/
Special guests Michael Litchard and Brian Hurt talk with us about their new social networking site Chat Wisely. We hear about their experience using Haskell not only on the backend but also on the frontend through GHCJS. https://www.chatwisely.com https://www.patreon.com/chatwisely
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Haskell Weekly

1 Haskell Wingman with Sandy Maguire 47:01
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Special guest Sandy Maguire talks with us about using Haskell Wingman for program synthesis, designing bulletproof abstractions with algebra, wrangling type level programming in Haskell, and managing effects with his Polysemy library. https://www.patreon.com/wingman_for_haskell https://leanpub.com/algebra-driven-design https://leanpub.com/thinking-with-types https://github.com/polysemy-research/polysemy https://reasonablypolymorphic.com https://sandymaguire.me…
Linear types finally landed in GHC 9.0.1! We talk through what that means along with other news from the Haskell Foundation and Tweag. https://discourse.haskell.org/t/haskell-foundation-executive-director-and-chief-technology-officer/1861 https://discourse.haskell.org/t/ghc-8-10-4-released/1847 https://discourse.haskell.org/t/ghc-9-0-1-released/1840 https://www.tweag.io/blog/2021-02-10-linear-base/…
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Haskell Weekly

Come @ me bro! In this episode we review Zac Wood’s post about the type applications language extension. https://zacwood.me/posts/haskell-type-application/
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Haskell Weekly

1 Production Haskell with Matt Parsons 32:53
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Special guest Matt Parsons talks to us about his upcoming book, Production Haskell. https://leanpub.com/production-haskell https://twitter.com/prodhaskell
Is Maybe problematic? Well, maybe. Robert Peszek thinks that Maybe is overused. Cameron Gera and Taylor Fausak break it down and consider alternatives. https://rpeszek.github.io/posts/2021-01-17-maybe-overuse.html
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Haskell Weekly

Christian Charukiewicz at Foxhound Systems wrote a list of reasons to prefer Haskell for building production systems. Cameron Gera and Taylor Fausak review the list and share their experience at ITProTV. https://www.foxhound.systems/blog/why-haskell-for-production/
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Haskell Weekly

Using Adam Wespiser’s blog post as a jumping off point, Cameron Gera and Taylor Fausak look back on a year of Haskell. https://wespiser.com/posts/2021-01-03-Lessons-Learned-From-A-Year-Of-Haskell.html
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Haskell Weekly

Are you curious about how Parsec is implemented behind the scenes? Cameron Gera and Taylor Fausak follow Antoine Leblanc’s walkthrough. https://hasura.io/blog/parser-combinators-walkthrough/ http://dev.stephendiehl.com/fun/002_parsers.html
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Haskell Weekly

Can Haskell’s deriving mechanism be simplified? Cody Goodman, Cameron Gera, and Taylor Fausak walk through the changes that Matt Parsons suggested. https://www.parsonsmatt.org/2020/11/10/simplifying_deriving.html
Newtypes let you give things names, but is that type safety? Andres Schmois, Cameron Gera, and Taylor Fausak explore a blog post by Alexis King. https://lexi-lambda.github.io/blog/2020/11/01/names-are-not-type-safety/ https://www.youtube.com/watch?v=MEmRarBL9kw https://np.reddit.com/r/haskell/comments/jnwg7i/haskell_foundation_ama/…
Even well-designed languages have rough edges. Cameron Gera and Taylor Fausak review some of the bad parts of Haskell. https://www.snoyman.com/blog/2020/10/haskell-bad-parts-1 https://haskellweekly.news/survey/2020.html
Does the idea of -XGHC2021 excite you? Cameron Gera and Taylor Fausak work through this proposed set of language extensions. https://np.reddit.com/r/haskell/comments/je1t82/does_the_idea_of_xghc2021_excite_you/ https://github.com/ghc-proposals/ghc-proposals/pull/372 https://hacktoberfest.digitalocean.com https://github.com/kowainik/learn4haskell…
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