Python Bytes is a weekly podcast hosted by Michael Kennedy and Brian Okken. The show is a short discussion on the headlines and noteworthy news in the Python, developer, and data science space.
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E101 FC/IS with magnars
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Manage episode 474702369 series 2504492
Content provided by ClojureStream Podcast and Jacek Schae. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by ClojureStream Podcast and Jacek Schae or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
In this episode, we explore the Functional Core, Imperative Shell (FC/IS) architecture pattern popularized by Gary Bernhardt. This powerful approach separates pure business logic from side effects, resulting in code that's more testable, maintainable, and reasoning-friendly. We'll discuss how FC/IS differs from traditional layered architectures by treating effects as data, enabling an impressive 85% of code to exist as pure functions. Using the analogy of a presidential cabinet, we explain how the functional core makes decisions while the imperative shell handles execution. The episode covers practical implementation strategies, the crucial role of Datomic in solving the "all relevant facts" problem, and real-world benefits including enhanced REPL-driven development, simplified error reproduction, and improved system observability. Emacs Rocks - https://emacsrocks.com Parens of the dead - https://parens-of-the-dead.com Replicant - https://replicant.fun FC/IS - https://www.destroyallsoftware.com/screencasts/catalog/functional-core-imperative-shell FC/IS with types https://www.youtube.com/watch?v=P1vES9AgfC4 Datomic - https://www.datomic.com
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104 episodes
MP3•Episode home
Manage episode 474702369 series 2504492
Content provided by ClojureStream Podcast and Jacek Schae. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by ClojureStream Podcast and Jacek Schae or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
In this episode, we explore the Functional Core, Imperative Shell (FC/IS) architecture pattern popularized by Gary Bernhardt. This powerful approach separates pure business logic from side effects, resulting in code that's more testable, maintainable, and reasoning-friendly. We'll discuss how FC/IS differs from traditional layered architectures by treating effects as data, enabling an impressive 85% of code to exist as pure functions. Using the analogy of a presidential cabinet, we explain how the functional core makes decisions while the imperative shell handles execution. The episode covers practical implementation strategies, the crucial role of Datomic in solving the "all relevant facts" problem, and real-world benefits including enhanced REPL-driven development, simplified error reproduction, and improved system observability. Emacs Rocks - https://emacsrocks.com Parens of the dead - https://parens-of-the-dead.com Replicant - https://replicant.fun FC/IS - https://www.destroyallsoftware.com/screencasts/catalog/functional-core-imperative-shell FC/IS with types https://www.youtube.com/watch?v=P1vES9AgfC4 Datomic - https://www.datomic.com
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104 episodes
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