LambdaCast

• 22: Structuring Data

  This time we discuss the way data tends to be structured in functional languages and some of the similarities with databases and REST. Episode 22 patrons: Jason Sooter Jamie Rolfs Christian Hamburger Daniel Svensson Di Wen Iulian Bojinca Jonathan Fishbein Nathan Sculli Nels Wadycki Paul Naranja Peter Tillemans Thomas Varney Tyler Harper weila wei Dawn (שחר) Show Notes: CPPCast: http://cppcast.com/ John Soo - Sharing in Haskell https://wiki.haskell.org/Sharing https://stackoverflow.com/questions/1105765/generating-fibonacci-numbers-in-haskell Alejandro’s link to Phantom Types article: https://www.objc.io/blog/2014/12/29/functional-snippet-13-phantom-types/ FP Chat Slack Community: https://fpchat-invite.herokuapp.com Intro/Outro music is "Lively Lumpsucker" by Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License

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• 21: Type Parameters

  You may have seen generics in C#, Java, or Swift but there are a lot of very useful patterns using generics that rarely get used in an OO context. In this episode, we explore Type Parameters (aka generics) from a functional perspective and how using them can improve the structure of your applications. Episode 21 patrons: Scott Smith Joel McCracken Hakon Rossebo Seth Utecht Christophe Pereira da Conceicao E. Mulder Show Notes: Add a type parameter video: https://www.youtube.com/watch?v=BHjIl81HgfE Matt Parson's follow-up post: http://www.parsonsmatt.org/2017/04/08/maybe_use_a_type_parameter.html Stephen’s Twitter: https://twitter.com/S11001001 Type Parameter example in Scala: https://typelevel.org/blog/2015/09/21/change-values.html FP Chat Slack Community: https://fpchat-invite.herokuapp.com

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• 20: Laziness

  Lazy evaluation is not normally something you hear programmers discussing but there is a lot of power available if you know how to use it. This episode we'll examine the differences between lazy and strict evaluation and look at use cases for laziness. Episode 20 patrons: Marcus Nielsen Steven Loe Ted Yavuzkurt Michael Meyers Szymon Beczkowski Parl Naranja Paul Brabban Jason Sooter Show Notes: Memoization: https://codeburst.io/functional-memoization-in-javascript-adec62508bd0 Using IEnumerable in C# to generate an infinite sequence: https://brianreiter.org/2011/01/14/ienumerable-is-lazy-and-thats-cool/ FP Chat Slack Community: https://fpchat-invite.herokuapp.com

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• 19: Starting A Project Functionally

  Logan walks us through what his experience has been starting a JavaScript project in a functional style and using the best FP tools he can get in the JavaScript ecosystem. Episode 19 patrons: Nathan Sculli Lee Beck David Joyner Nihohit Charles Winebrinner FP Chat Slack Community: https://fpchat-invite.herokuapp.com

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• 18: Monads

  Monads, the promised land of functional programming. Or at least with all the hype they'd better be! Come join the cast as we demystify this overhyped structure that has become an indispensable part of many functional programmer's toolkits. Episode 18 patrons: Pluton Tim Buckley Huge shout out to Marcus Nielsen Show Notes: bind :: m a -> (a -> m b) -> m b Example of do syntax vs using bind aka >>=: main = do foo >= (\foo -> doOtherMonadyThing foo >>= (\foo2 -> pure (whatever foo foo2)) ) Extracting a value from a Maybe extract :: Just Int -> Int extract foo = case foo of Just num -> num Nothing -> 0 Railroad oriented programming talk by Scott Wlaschin fsharpforfunandprofit.com/rop/ FP Chat Slack Community: https://fpchat-invite.herokuapp.com

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