Write You a Haskell

Building a modern functional compiler from first principles.

Stephen Diehl

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This is a work in progress.

Chapter 1: Introduction
Chapter 2: Haskell Basics
Chapter 3: Parsing
Chapter 4: Lambda Calculus
Chapter 5: Type Systems
Chapter 6: Evaluation
Chapter 7: Hindley-Milner Inference
Chapter 8: Design of ProtoHaskell
Chapter 9: Extended Parser
Chapter 10: Custom Datatypes
[Chapter 11: Renamer] (http://dev.stephendiehl.com/fun/010_renamer.html)
Chapter 12: Pattern Matching & Desugaring
Chapter 13: System-F
Chapter 14: Type Classes
Chapter 15: Core Language
Chapter 16: Kinds
Chapter 17: Haskell Type Checker
Chapter 18: Core Interpreter
Chapter 19: Prelude
Chapter 20: Design of Lazy Evaluation
Chapter 21: STG
Chapter 22: Compilation
Chapter 23: Design of the Runtime
Chapter 24: Imp
Chapter 25: Code Generation ( C )
Chapter 26: Code Generation ( LLVM )
Chapter 27: Row Polymorphism & Effect Typing
Chapter 28: Future Work

Building

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Top comments (7)

Adam • Jan 12 '19

Looks good...👍 Seems to also be a W.I.P with much more to come.

Additionally, take a look at:

"Learn You a Haskell for Great Good!"

learnyouahaskell.com/chapters

...you may also find that of — great good — to you.

Jacob Herrington (he/him) • Jan 12 '19

Learn You a Haskell for Great Good is a wonderful resource. Some people struggle with it, but it's worth trying if you really want to learn!

A good friend introduced it to me many moons ago... At said time I struggled with it ("the functional way") — but now I am at peace with it. Syntactically it was hard to get my head around, let alone the "purity".

I always believe and encourage those (especially whom focus mostly in the web-space, i.e. PHP, JavaScript and similarly related languages) to branch out, if not for anything else but the perspective you will gain, which will compliment you as a developer and very likely broaden your ability to reason-about and solve problems all the while improving your code (e.g. such languages give you good insight into pure-functions, SRP and much more that you'll end up bringing into your core day-to-day stack).

So throw a bit of Go, Rust, Crystal, Python [too many good ones to name] into the mix 👌

PS. looks like said fellow has another good resource you'd also like:

"What I Wish I Knew When Learning Haskell"

github.com/sdiehl/wiwinwlh

...the gift that keeps on giving 😂

Jaime González García • Jan 11 '19

Wow! This is awesome! Thank you for sharing!! :D

Jacob Herrington (he/him) • Jan 11 '19

Sure thing! Hope you find it useful :)

Juan F Gonzalez • Feb 13 '19

Thank you mate, I just started to learn Functional Programming for a course and Haskell is my current challenge. This I hope helps me get through it.

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