wiwinwlh
learnhaskell
wiwinwlh | learnhaskell | |
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5 | 7 | |
2,528 | 7,901 | |
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0.0 | 0.9 | |
about 2 years ago | 7 months ago | |
Haskell | Makefile | |
GNU General Public License v3.0 or later | Creative Commons Zero v1.0 Universal |
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wiwinwlh
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Počeo da učim Haskell
wiwibwlh
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Update on The Haskell Guide
In this respect, The Haskell Guide is not a tutorial, project-based guide or textbook, which aims to give a more complete walk through the language, in a linear fashion, but more like a reference guide that is carefully designed to be accessible and clear. In that respect, it's like a beginner level version of What I Wish I Knew When I Learned Haskell, with more cross-referencing. (By the way, I don't think this is a substitute for more in-depth or didactically rich resources at all; it's trying to address a different problem.)
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Wren is a small, fast, class-based concurrent scripting language
Many libraries try to stick to Haskell 98. Also whenever someone writes a paper about some new techniques, they always seem to take a lot of pleasure in pointing out when their technique works in Haskell 98.
I like that you can mix and match GHC extensions even in the same project. So one library (or even just one module) might use some crazy and messy extensions, but you can still use it from vanilla Haskell.
http://dev.stephendiehl.com/hask/#language-extensions has a list of extensions and some judgement on them.
For example, I really like TupleSections. They are not strictly necessary for anything, they are purely cosmetic / syntactic sugar. But they also don't cause any mess. https://ghc.gitlab.haskell.org/ghc/doc/users_guide/exts/tupl...
Also: TypedHoles are really neat for developing, and will never show up in your final code. https://ghc.gitlab.haskell.org/ghc/doc/users_guide/exts/type...
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How was your study routine to become good at haskell?
Maybe try to implement something using Haskell? For example, try to read through: https://en.wikibooks.org/wiki/Write_Yourself_a_Scheme_in_48_Hours to see how the concepts are used in a "real world" setting. Also, https://github.com/sdiehl/wiwinwlh is an underrated resource imo. Anyways, the best way to learn Haskell is to just use it. I'm still learning myself, so I don't have much to say beyond that.
learnhaskell
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Počeo da učim Haskell
learnhaskell
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Ask HN: What piece of code/codebase blew your mind when you saw it?
https://github.com/bitemyapp/learnhaskell/blob/master/dialog...
> a transducer is recognizing that the signature of foldl splits
> type Transducer a b = forall r. (r -> b -> r) -> (r -> a -> r)
> they compose like lenses
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Functional Education (2014)
The author maintains an opinionated path to learning Haskell[0], albeit lacking the criticism of resources that ultimately do not make it into his final recommendation.
[0] https://github.com/bitemyapp/learnhaskell
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Understanding Transducers
I find the following type signature captures the essence:
type Transducer x y = forall b. (b -> y -> b) -> (b -> x -> b)
https://github.com/bitemyapp/learnhaskell/blob/master/dialog...
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Learn You A Haskell For Great Good - To-Do Lists clean up unsafe?
There's some resources here: https://github.com/bitemyapp/learnhaskell
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Sequent Calculus in Haskell
Other than that, I'm afraid your issues are too broad to help much. If you're having trouble getting anywhere, I would recommend starting with some basic tutorial. Here are some decent ones. Haskell is not a language you can just pick up unless you have prior functional programming experience.
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Best resource to learn Haskell?
This is the best meta-guide I know of to learning Haskell: https://github.com/bitemyapp/learnhaskell
What are some alternatives?
course-plan - 📜 Haskell course info, plan, video lectures, slides
protoactor-dotnet - Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin
fp-notes - Notes on Functional Programming and related topics
Apollo-11 - Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.
sense-lang - Sense is a very high level, functional programming language for creating software by writing only the absolute necessary information and not a single line above that.
Quake-2 - Quake 2 GPL Source Release
haskell-docs
pygments - Pygments is a generic syntax highlighter written in Python
zero-bs-haskell - Learn Haskell, with tiny lessons.
haskell-handbook - Best practices on how to be efficient with Haskell in production
learn-you-a-haskell - “Learn You a Haskell for Great Good!” by Miran Lipovača