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Haskell » History » Revision 72

Revision 71 (Grigoriy Volkov, 02/03/2020 02:51 PM) → Revision 72/87 (Alexey Demakov, 02/03/2020 03:38 PM)

h1. Haskell

h2. Изучение

Денис Москвин. Функциональное программирование на языке Haskell. stepik.org, видеокурс
> "Часть 1.":https://stepik.org/course/75/syllabus
> "Часть 2.":https://stepik.org/course/693/syllabus

"О Haskell по-человечески":https://www.ohaskell.guide
"Learn You a Haskell for Great Good!":http://learnyouahaskell.com
"Real World Haskell by Bryan O'Sullivan, Don Stewart, and John Goerzen":http://book.realworldhaskell.org

"ru.haskell— сообщество русскоговорящих Haskell-разработчиков":https://ruhaskell.org
> "Полезные ссылки":https://ruhaskell.org/links.html

"ru.haskell wiki":https://github.com/ruHaskell/ruhaskell/wiki
> "Настройка редакторов для поддержки Haskell":https://github.com/ruHaskell/ruhaskell/wiki/%D0%9D%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0-%D1%80%D0%B5%D0%B4%D0%B0%D0%BA%D1%82%D0%BE%D1%80%D0%BE%D0%B2-%D0%B4%D0%BB%D1%8F-%D0%BF%D0%BE%D0%B4%D0%B4%D0%B5%D1%80%D0%B6%D0%BA%D0%B8-Haskell

"Haskell Cheatsheet":http://bxt.github.io/Ludus/haskell-cheatsheet/
"haskell-trainings":https://github.com/google/haskell-trainings/releases
"Stack cookbook":https://guide.aelve.com/haskell/stack-cookbook-ai0adh03
"The Haskell Phrasebook":https://typeclasses.com/phrasebook

h2. Best practices

* "Import modules properly":https://wiki.haskell.org/Import_modules_properly
* "deriving via":https://www.parsonsmatt.org/2018/04/10/transforming_transformers.html

h2. snippets

* [[HaskellMaybeChecks]]
* [[HaskellTypeLevelMachine]]

h2. ghci debugging

<pre>
:set -fbreak-on-error -fbreak-on-exception
:trace machineMain
:force _exception
:hist
:back
</pre>

h2. libs

* "co-log":https://kowainik.github.io/posts/2018-09-25-co-log
* "named":https://github.com/monadfix/named arguments
* "refined":http://nikita-volkov.github.io/refined/ — refinement types <pre>type ProperFraction = Refined (And (Not (LessThan 0)) (Not (GreaterThan 1))) Double</pre>
* "Data.Sequence":http://hackage.haskell.org/package/containers-0.6.0.1/docs/Data-Sequence.html — list with fast append on both sides
* "bound: Making de Bruijn Succ Less":https://hackage.haskell.org/package/bound — convenient combinators for working with "locally-nameless" terms. These can be useful when writing a type checker, evaluator, parser, or pretty printer for terms that contain binders like forall or lambda
* "Workflow":https://github.com/agocorona/Workflow — computations resumable from storage (!)
* "capability":https://hackage.haskell.org/package/capability — effects based on DerivingVia
* "compose-trans":http://hackage.haskell.org/package/compose-trans
* "filepath-bytestring":https://hackage.haskell.org/package/filepath-bytestring
* "product-profunctors":http://hackage.haskell.org/package/product-profunctors generalization of Applicative
* "parameterized-utils":https://github.com/GaloisInc/parameterized-utils
* "mutable":https://mutable.jle.im
* "first-class-instances":https://gitlab.com/thematten/first-class-instances
* SMT:
** "concat":https://github.com/conal/concat ("z3cat":https://github.com/jwiegley/z3cat/blob/master/test/Main.hs || "smt example":https://github.com/conal/concat/blob/master/examples/src/ConCat/SMT.hs) — *"Compiling to categories":http://conal.net/papers/compiling-to-categories/* — compiler plugin for translating normal Haskell functions (on standard types) to SMT, etc.
** "SBV: SMT Based Verification":https://leventerkok.github.io/sbv/ — translates Haskell functions on custom symbolic types
* Testing:
** "quickcheck":https://hackage.haskell.org/package/QuickCheck
*** "The official QuickCheck manual":http://www.cse.chalmers.se/~rjmh/QuickCheck/manual.html
*** "John Hughes - Building on developers' intuitions to create effective property-based tests | Lambda Days 19":https://www.youtube.com/watch?v=NcJOiQlzlXQ
**
"leancheck":https://hackage.haskell.org/package/leancheck enumerative property-based testing core
*** "extrapolate":https://hackage.haskell.org/package/extrapolate generalize counter-examples of properties
*** "speculate":https://hackage.haskell.org/package/speculate discover properties
*** "fitspec":https://hackage.haskell.org/package/fitspec refine properties by mutation
** "hedgehog":https://github.com/hedgehogqa/haskell-hedgehog property
** "dejafu":https://github.com/barrucadu/dejafu concurrency
** "type-spec: type level testing eDSL":https://hackage.haskell.org/package/type-spec
** "should-not-typecheck":https://github.com/CRogers/should-not-typecheck
* Constraints:
** https://github.com/ekmett/constraints
** https://github.com/mikeizbicki/ifcxt
** https://github.com/rampion/constraint-unions
* HKD:
** https://github.com/jcpetruzza/barbies
** https://github.com/i-am-tom/higgledy
** https://hackage.haskell.org/package/rank2classes
* (Reversible) Parsing:
** https://yairchu.github.io/posts/codecs-as-prisms.html
** invertible-grammar _by Eugene Smolanka, Sergey Vinokurov_
*** http://hackage.haskell.org/package/invertible-grammar
** Syntax _by Paweł Nowak (Pavel Christof?) @2014_ *USED NOW*
*** https://hackage.haskell.org/package/syntax
*** https://hackage.haskell.org/package/syntax-attoparsec
*** https://hackage.haskell.org/package/syntax-printer
*** https://hackage.haskell.org/package/semi-iso
** Unparse _by Tillmann Rendel and Klaus Ostermann @2010_ ("paper":https://www.informatik.uni-marburg.de/~rendel/unparse/)
*** invertible-syntax _by Tillmann Rendel @2010_
**** https://hackage.haskell.org/package/invertible-syntax _@2010-2011_
**** https://hackage.haskell.org/package/partial-isomorphisms _@2011-2017_
**** https://hackage.haskell.org/package/invertible _@2016-2018_
*** invertible-grammar _by Eugene Smolanka and Sergey Vinokurov @2015-2019_
**** https://hackage.haskell.org/package/invertible-grammar _@2015-2019_
**** "Reversible S-expression parser":https://github.com/esmolanka/sexp-grammar _@2015-2019_
** Fresnel, Prism-based unified parsers and pretty printers _by Fraser Tweedale @2016_
*** https://github.com/frasertweedale/hs-fresnel _@2016-2017_
** (related) new @optics@ library, alternative to @lens@ _@2019_
*** "Announcement":https://www.well-typed.com/blog/2019/09/announcing-the-optics-library/
*** https://hackage.haskell.org/package/optics
*** https://hackage.haskell.org/package/optics-core
** (related) Binary (ByteString-based) serialization _by Lennart Kolmodin @2006-2019_
*** https://hackage.haskell.org/package/binary

h2. exts

* "Existential Quantification":https://ocharles.org.uk/guest-posts/2014-12-19-existential-quantification.html
* "RebindableSyntax":https://ocharles.org.uk/guest-posts/2014-12-06-rebindable-syntax.html — overloading built-in operators / do notation
* "NullaryTypeClasses":https://ocharles.org.uk/posts/2014-12-10-nullary-type-classes.html — global implementation of one thing
* "DataKinds":http://ponies.io/posts/2014-07-30-typelits.html , TypeFamilies (+ GHC.TypeLits) — type-level annotations
** "Basic Type Level Programming in Haskell":https://www.parsonsmatt.org/2017/04/26/basic_type_level_programming_in_haskell.html
** "Parsing type-level strings in Haskell":https://kcsongor.github.io/symbol-parsing-haskell/
** "Servant, Type Families, and Type-level Everything":https://arow.info/blog/posts/2015-07-10-servant-intro.html
** "Haskell Type Names as Strings":http://www.mchaver.com/posts/2017-12-12-type-name-to-string.html

h2. other

* https://github.com/cohomolo-gy/haskell-resources
* "ST Monad":https://medium.com/permutive/having-your-cake-and-eating-it-9f462bf3f908 for imperative algorithms
* "A Rosetta Stone for Haskell Abstractions":http://reduction.io/essays/rosetta-haskell.html Applicative, StateT, Lens
* "Is it possible to place inequality constraints on haskell type variables?":https://stackoverflow.com/questions/6939043/is-it-possible-to-place-inequality-constraints-on-haskell-type-variables
* "Practical uses of the Tardis monad?: 'build a packet ... where the fixed-length lengths and offsets of some variable length data are sent out before the actual data themselves'":https://www.reddit.com/r/haskell/comments/b5g70h/practical_uses_of_the_tardis_monad/ejdogtt/
* "Comonadic builders":https://chshersh.github.io/posts/2019-03-25-comonadic-builders
* "GHC.Stack":https://hackage.haskell.org/package/base-4.10.0.0/docs/GHC-Stack.html — can get code position for DSL
* "GHC's Specializer: Much More Than You Wanted to Know":https://reasonablypolymorphic.com/blog/specialization/
* "Type Classes and Constraints":https://gist.github.com/Icelandjack/5afdaa32f41adf3204ef9025d9da2a70
* "Reified dictionaries":https://kseo.github.io/posts/2017-02-06-reified-dictionaries.html GADT allows us to reify a constraint as an explicit dictionary
* "Demystifying MonadBaseControl":https://lexi-lambda.github.io/blog/2019/09/07/demystifying-monadbasecontrol/
* "The Functor Combinatorpedia":https://blog.jle.im/entry/functor-combinatorpedia.html
* Cont:
** "Control.Monad.Trans.Cont":https://hackage.haskell.org/package/transformers-0.5.2.0/docs/Control-Monad-Trans-Cont.html
** "CC-delcont":https://wiki.haskell.org/Library/CC-delcont
** "Delimited continuations in Haskell":http://okmij.org/ftp/continuations/Haskell-tutorial.pdf
** "A Monadic Framework for DelimitedContinuations":https://www.cs.indiana.edu/~dyb/pubs/monadicDC.pdf
** "Haskell's continuation monad":https://github.com/quchen/articles/blob/master/cont_monad.md
* Tagless Final / Overloading:
** "Introduction to Tagless Final":https://serokell.io/blog/tagless-final
** "Tagless Final Encoding in Haskell":https://jproyo.github.io/posts/2019-03-17-tagless-final-haskell.html
** "Typed final (aka, ``tagless-final'') style":http://okmij.org/ftp/tagless-final/ is a general method of embedding domain-specific languages (DSL)
** "Overloading lambda":http://conal.net/blog/posts/overloading-lambda
* TypeFamilies:
** "Functional Dependencies & Type Families":https://gvolpe.github.io/blog/functional-dependencies-and-type-families/
** "Associated Types and Haskell":http://amixtureofmusings.com/2016/05/19/associated-types-and-haskell/
** "Partially applied type families GHC Proposal":https://github.com/ghc-proposals/ghc-proposals/pull/52
** "On the arity of type families":https://ryanglscott.github.io/2019/05/26/on-the-arity-of-type-families/ + "Higher-order Type-level Programming in Haskell":https://www.microsoft.com/en-us/research/uploads/prod/2019/03/ho-haskell-5c8bb4918a4de.pdf
** "Type Class Instances for Type-Level Lambdas in Haskell":ftp://ftp-sop.inria.fr/indes/TFP15/TFP2015_submission_19.pdf
** "Defunctionalization for Haskell Type Families":https://free.cofree.io/2019/01/08/defunctionalization/
** "Haskell with only one type family":https://blog.poisson.chat/posts/2018-08-06-one-type-family.html
* HKD:
** "Functor Functors":http://web.archive.org/web/20190501095522/https://www.benjamin.pizza/posts/2017-12-15-functor-functors.html
** "Higher-Kinded Data":https://reasonablypolymorphic.com/blog/higher-kinded-data/
** "Deriving instances for higher-kinded data":https://stackoverflow.com/questions/49618667/deriving-instances-for-higher-kinded-data
* "Haskell's kind system - a primer":https://diogocastro.com/blog/2018/10/17/haskells-kind-system-a-primer/
* "Advent of optics":https://chrispenner.ca/posts/advent-of-optics-01 (не в смысле библиотеки optics)
* "Four ways to partially apply constraint tuples":https://ryanglscott.github.io/2019/11/30/four-ways-to-partially-apply-constraint-tuples/