How I Learned Haskell by Writing Tiny Games

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How I Learned Haskell by Writing Tiny Games 1 / 77

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Moss Collum Cyrus Innovation makingcodespeak.com [email protected] @moss 2 / 77

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Introduction 3 / 77

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What? 4 / 77

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Haskell 5 / 77

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Roguelike Games 6 / 77

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Tiny Release Cycles 11 / 77

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Why Haskell? 12 / 77

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Brief but Fragile 13 / 77

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Correct but Verbose 14 / 77

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Brief and Correct 15 / 77

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Why This Exercise? 16 / 77

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"Work Tiny!" –Kim Wallmark 17 / 77

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Game 1: InstaPermaDeathHack 18 / 77

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Learn IO... Before you learn the IO Monad... Before you learn Monads 21 / 77

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One Problem at a Time 23 / 77

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Game 2: Wanderer 24 / 77

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How to Read a Haskell 25 / 77

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How to Read a Haskell 26 / 77

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How to Read a Haskell vs. Python 27 / 77

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How to Read a Haskell vs. Java 28 / 77

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Laziness is Magic 29 / 77

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Laziness is Magic 30 / 77

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Laziness is Magic vs. 31 / 77

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Ask for Help 32 / 77

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Game 3: Robot Finds Kitten 33 / 77

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Isolate IO and Randomness 34 / 77

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Isolate IO and Randomness 35 / 77

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Isolate IO and Randomness vs. 36 / 77

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Doctest 37 / 77

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Doctest 38 / 77

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Doctest 39 / 77

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Doctest 40 / 77

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Doctest 41 / 77

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Continuous Feedback 42 / 77

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Game 4: The Orc and The Pie 43 / 77

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Retrospectives 44 / 77

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Retrospectives "design suffering from having everything in the world tied together" 45 / 77

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Retrospectives "design suffering from having everything in the world tied together" "my functions are nice and decomposed, but my data types are a big mess" 46 / 77

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Modules 47 / 77

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Modules 48 / 77

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Modules 49 / 77

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Record Types 50 / 77

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Record Types 51 / 77

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Record Types 52 / 77

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Record Types 53 / 77

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Functions 54 / 77

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Functions 55 / 77

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Functions 56 / 77

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Functions 57 / 77

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Functions 58 / 77

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Functions 59 / 77

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Typeclasses 60 / 77

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Typeclasses 61 / 77

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Typeclasses Compare Java: 62 / 77

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Stop and Reflect 63 / 77

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Conclusion 64 / 77

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Places to Find Help 65 / 77

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Places to Find Help Learn You A Haskell 66 / 77

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Places to Find Help Learn You A Haskell Hoogle 67 / 77

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Places to Find Help Learn You A Haskell Hoogle HaskellWiki 68 / 77

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Places to Find Help Learn You A Haskell Hoogle HaskellWiki Haskell Now / #NotHaskell 69 / 77

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Advice to Remember 70 / 77

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Advice to Remember Work Tiny 71 / 77

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Advice to Remember Work Tiny One Problem at a Time 72 / 77

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Advice to Remember Work Tiny One Problem at a Time Ask for Help 73 / 77

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Advice to Remember Work Tiny One Problem at a Time Ask for Help Continuous Feedback 74 / 77

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Advice to Remember Work Tiny One Problem at a Time Ask for Help Continuous Feedback Stop and Reflect 75 / 77

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End 76 / 77

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Moss Collum Cyrus Innovation makingcodespeak.com [email protected] @moss 77 / 77