All Haskell Solutions on Gang of Coders

Total of 376 Haskell Solutions

Why is Haskell (GHC) so darn fast?

Performance Haskell Ghc Higher Order-Functions Lambda Calculus

Calling Haskell from C++ code

C++Haskell Linker Ffi

What's really more performant? Haskell or OCaml

Haskell Benchmarking Ocaml

Haskell function composition operator of type (c→d) → (a→b→c) → (a→b→d)

Haskell Function Composition Pointfree

Is there a better way to have optional function arguments in Haskell?

Haskell vs. Prolog comparison

How do I write, "if typeclass a, then a is also an instance of b by this definition."

What is Weak Head Normal Form?

Haskell Definition Strictness Weak Head-Normal-Form

ghci 'Not in scope:' message

Performant Haskell hashed structure.

Haskell Hashmap Hashtable

runST and function composition

Haskell Function Composition

What does 'qualified' mean in 'import qualified Data.List' statement?

How to make a Haskell cabal project with library+executables that still run with runhaskell/ghci?

Haskell Cabal Ghci Runhaskell

Is there a nice way to make function signatures more informative in Haskell?

Haskell Syntax Coding Style Functional Programming

Writing cojoin or cobind for n-dimensional grid type

Haskell Comonad

Why is there no IO transformer in Haskell?

Haskell Io Monads Monad Transformers

Dependency injection in Haskell: solving the task idiomatically

What does the term "reason about" mean in computer science?

Scala Haskell Functional Programming

'type family' vs 'data family', in brief?

Haskell Type Families

Abusing the algebra of algebraic data types - why does this work?

Haskell Functional Programming Algebraic Data-Types Miranda

Higher-kinded Types with C++

C++Templates Haskell Higher Kinded-Types

Has anyone ever encountered a Monad Transformer in the wild?

Design Patterns Haskell Monad Transformers Monads

Disadvantages of Scala type system versus Haskell?

Scala Haskell Type Systems Static Typing Language Comparisons

Algebraically interpreting polymorphism

Haskell pre-monadic I/O

Haskell Io Monads

Mixing Erlang and Haskell

Haskell Functional Programming Erlang Garbage Collection Ghc

Testing IO actions with Monadic QuickCheck

Haskell Io Quickcheck

Currying subtraction

Haskell Coding Style

Fun with repeated fmap

Haskell Functor

Binding FFI and DSL

zipWith analogue in Python?

Dynamic dispatch in Haskell

Haskell Functional Programming Dynamic Dispatch

Haskell's ($) is a magic operator?

Simplest non-trivial monad transformer example for "dummies", IO+Maybe

Haskell Monads Monad Transformers

Scala: How to define "generic" function parameters?

Scala Haskell Polymorphism Type Inference

Web Scraping With Haskell

Haskell Html Parsing Web Scraping

Simple haskell unit testing

Unit Testing Haskell

What does :: (double colon) stand for?

Function Haskell Syntax Types

Monad Transformers vs Passing parameters to functions

Haskell Monad Transformers

How do functors work in haskell?

Haskell Functional Programming Functor

Why are difference lists more efficient than regular concatenation in Haskell?

Performance List Haskell Time Complexity Difference Lists

'Repa' performance for planetary simulation

Arrays Haskell Repa

Java tagged union / sum types

Java Haskell Algebraic Data-Types

Creative uses of monads

What does the : infix operator do in Haskell?

Curious about the HashTable performance issues

Haskell Hashtable Ghc

ghci configuration file

Haskell guards on lambda functions?

What's the difference between undefined in Haskell and null in Java?

Java Haskell Types Null Maybe

In what sense is the IO Monad pure?

Haskell Io Monads

What is a monad in FP, in categorical terms?

Haskell Functional Programming Monads Category Theory

What does data ... where mean in Haskell?

Haskell Syntax Gadt

Can you overload + in haskell?

Avoiding lift with monad transformers

Haskell Monads Monad Transformers

What does the exclamation mark mean in a Haskell declaration?

Haskell Syntax Lazy Evaluation

values, types, kinds,... as an infinite sequence?

Scala Haskell Functional Programming Higher Kinded-Types

Excel Automation with Haskell gives a seg fault

Excel Haskell Com Ole

How do purely functional languages handle index-based algorithms?

Haskell Functional Programming Lisp

What is a "spark" in Haskell

Multithreading Haskell Parallel Processing Multicore

Y Combinator in Haskell

Haskell Y Combinator

What's the closest thing to Haskell's typeclasses in OCaml?

Haskell Polymorphism Ocaml Typeclass

What are Alternative's "some" and "many" useful for?

Haskell Applicative Some and-Many Alternative Functor

What does (f .) . g mean in Haskell?

Haskell Functional Programming Pointfree Function Composition Tacit Programming

Is it possible to generate comments to functions in Template Haskell?

Haskell Comments Template Haskell Generated Code

Why is the F# version of this program 6x faster than the Haskell one?

Performance Haskell F#

Can I define the Negatable interface in Java?

Java Haskell Typeclass

How to reduce code duplication when dealing with recursive sum types

Haskell Functional Programming Dry Code Duplication Recursive Type

Real world Haskell programming

Haskell Functional Programming

Doubly Linked List in a Purely Functional Programming Language

Data Structures Haskell Functional Programming Linked List

Does Haskell have List Slices (i.e. Python)?

List Haskell Syntax

Haskell: Check if Int is in a list of Int's

Printing elements of a list on new lines

How do I do logging in Haskell?

Logging Haskell Monads

How to debug Haskell code?

Debugging Haskell

function composition with reverse syntax

Haskell Syntax Function Composition

How can I use HaskellDB with polymorphic fields? (Problems with overlapping instances)

Haskell Haskelldb

How to go back to prelude> in ghci

GHCi runtime linker issue when using FFI declarations

Haskell Linker Ffi Ghci

Understanding STG

Haskell Compilation Ghc Bytecode Intermediate Language

Simple examples to illustrate Category, Monoid and Monad?

Haskell Monads Category Theory Monoids

Ackermann very inefficient with Haskell/GHC

Performance Haskell Optimization Recursion Benchmarking

GHCI can't load module if both package-conf and source path contains it

What is pipes/conduit trying to solve

Haskell Pipe Conduit Haskell Pipes

How fundamentally different are push-pull and arrowized FRP?

Haskell Frp Reactive Banana Yampa

What's so bad about Template Haskell?

Haskell Template Haskell

Getting associated type synonyms with template Haskell

Haskell Template Haskell Type Families Reify Associated Types

Haskell: Lists, Arrays, Vectors, Sequences

Comparing Haskell's Snap and Yesod web frameworks

Haskell Web Frameworks Yesod Haskell Snap-Framework

Haskell: Converting Int to String

String Haskell Int Casting

What is the Haskell response to Node.js?

Multithreading Haskell Concurrency node.js

Good examples of Not a Functor/Functor/Applicative/Monad?

Haskell Monads Functor Applicative

Running a Haskell program on the Android OS

Android Haskell Executable

Difference between `data` and `newtype` in Haskell

Haskell Types Type Systems Newtype

When is -XAllowAmbiguousTypes appropriate?

Haskell Ghc Ambiguous Types

Are there pronounceable names for common Haskell operators?

Haskell Operators

What part of Hindley-Milner do you not understand?

Haskell Functional Programming Lambda Calculus Hindley Milner Denotational Semantics

Reading GHC Core

Performance Compiler Construction Haskell Ghc

What is an appropriate type for smart contracts?

Haskell Functional Programming Idris Ethereum Smartcontracts

What is the difference between Int and Integer?

Haskell Numbers Integer Int Bignum

What optimizations can GHC be expected to perform reliably?

Optimization Haskell Ghc

What is the difference between traits in Rust and typeclasses in Haskell?

Haskell Rust Traits

A monad is just a monoid in the category of endofunctors, what's the problem?

Haskell Monads Category Theory Monoids

How to split a string in Haskell?

How to define a function in ghci across multiple lines?

Haskell Ghci Multiline Repl-Definition

Why are side-effects modeled as monads in Haskell?

Haskell Functional Programming Monads

lenses, fclabels, data-accessor - which library for structure access and mutation is better

Data Structures Haskell Record Lenses

What is the difference between . (dot) and $ (dollar sign)?

Haskell Syntax Function Composition

Getting started with Haskell

Haskell Functional Programming

Why not be dependently typed?

Haskell Type Systems Dependent Type

Implications of foldr vs. foldl (or foldl')

Recursion Functional Programming Fold Haskell

Why is there "data" and "newtype" in Haskell?

Haskell Types Language Design Type Systems

What's the status of multicore programming in Haskell?

Haskell Concurrency Functional Programming Multicore Parallel Processing

Real-world applications of zygohistomorphic prepromorphisms

Haskell Functional Programming Category Theory

Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

Python C Performance Haskell Erlang

Difference between `mod` and `rem` in Haskell

Specialization with Constraints

Multi-line commands in GHCi

Haskell Ghci Multiline Repl-Definition

What does the "@" symbol mean in reference to lists in Haskell?

What is "lifting" in Haskell?

Haskell Functional Programming

Why is GHC so large/big?

Is there any haskell function to concatenate list with separator?

List Haskell Concat

Memoization in Haskell?

Haskell Memoization

What is the difference between Cabal and Stack?

Haskell Cabal Haskell Stack

What is the purpose of the reader monad?

Haskell Monads Reader Monad

Handling List-types with Esqueleto

Sql List Haskell Esqueleto

Does GHC-mod have to use full names for types?

Haskell Ghc Ghc Mod

Proper use of the HsOpenSSL API to implement a TLS Server

Haskell Openssl Ssl

What does the "Just" syntax mean in Haskell?

Haskell: Where vs. Let

Haskell Keyword Where Let

Why are λ-calculus optimal evaluators able to compute big modular exponentiations without formulas?

Algorithm Haskell Functional Programming Lambda Calculus Modular Arithmetic

Reducing garbage-collection pause time in a Haskell program

Performance Haskell Garbage Collection Ghc Latency

Shorthand way for assigning a single field in a record, while copying the rest of the fields?

Haskell function composition (.) and function application ($) idioms: correct use

Haskell Coding Style Function Composition

Small Haskell program compiled with GHC into huge binary

Haskell Linker Ghc Static Linking Glfw

How to ship an executable with Language.Haskell.Interpreter?

Haskell Packaging Shipping

What are the primary differences between Haskell and F#?

Haskell F#Functional Programming Language Comparisons

Haskell Type vs Data Constructor

How do you represent a graph in Haskell?

Haskell Types Graph Functional Programming Algebraic Data-Types

foldl versus foldr behavior with infinite lists

Haskell Lazy Evaluation Combinators Fold

What are some compelling use cases for dependent method types?

Scala Haskell Programming Languages Type Systems Dependent Method-Type

Why is lazy evaluation useful?

Haskell Functional Programming Lazy Evaluation

Java's Interface and Haskell's type class: differences and similarities?

Java Haskell Interface Typeclass

Memory footprint of Haskell data types

Haskell Memory Management Ghc Algebraic Data-Types

Does Haskell require a garbage collector?

Haskell Garbage Collection

Why is the minimalist, example Haskell quicksort not a "true" quicksort?

Sorting Haskell Quicksort

Guards vs. if-then-else vs. cases in Haskell

Haskell If Statement Case

How do I enable language extensions from within GHCi?

Haskell Ghci Language Extension

Emacs Interactive-Haskell repl non-response if either the cabal or working directory set to project directory

Haskell Emacs Cabal Ghci

Beginners Guide to Haskell?

Haskell Functional Programming

How can I get nth element from a list?

Applicatives compose, monads don't

Haskell Functional Programming Monads Monad Transformers Applicative

How is this fibonacci-function memoized?

Haskell Lazy Evaluation Fibonacci Memoization Pointfree

What is the purpose of Rank2Types?

Haskell Types Polymorphism Higher Rank-Types

What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?

Arrays Haskell Image Processing Bitmap

Large-scale design in Haskell?

Haskell Functional Programming Monads Large Scale

What are the best Haskell libraries to operationalize a program?

Logging Haskell Metrics

Haskell error parse error on input `='

Why doesn't Haskell's Prelude.read return a Maybe?

Parsing Haskell Types

Haskell threads heap overflow despite only 22Mb total memory usage?

Haskell Parallel Processing Raytracing

How does deriving work in Haskell?

Haskell Typeclass Derived Types Derived Instances Deriving

Can someone explain the traverse function in Haskell?

Haskell Traversal

Why does Haskell's "do nothing" function, id, consume tons of memory?

What is <*> called and what does it do?

What's the fuss about Haskell?

Haskell Functional Programming

What's the point of map in Haskell, when there is fmap?

How does Haskell printf work?

Haskell Printf Variadic Functions Polyvariadic

What is the Comonad typeclass in Haskell?

Haskell Typeclass Comonad

Which parts of Real World Haskell are now obsolete or considered bad practice?

Haskell Exception Handling

When is memoization automatic in GHC Haskell?

Haskell Ghc Memoization

Functional design patterns

Scala Haskell Functional Programming Monads

What is Haskell used for in the real world?

Haskell Functional Programming Programming Languages

Haskell composition (.) vs F#'s pipe forward operator (|>)

Haskell F#Functional Programming Composition

Why do we have map, fmap and liftM?

List Haskell Monads Redundancy Functor

Tools for analyzing performance of a Haskell program

Haskell Performance Profiling

Haskell, Lisp, and verbosity

Haskell Comparison Lisp Language Comparisons

How can I use functional programming in the real world?

Haskell F#Functional Programming

What's the absurd function in Data.Void useful for?

Haskell Type Theory Curry Howard

Haskell export current module with additional imported module

Haskell Module Export

Erratic hole type resolution

Haskell Dependent Type

Is there a way to make GHC provide the type class constraints of typed holes?

Haskell Types Ghc

Haskell testing workflow

Testing Haskell

What is indexed monad?

Exponentiation in Haskell

Haskell Exponent Exponentiation

How to play with Control.Monad.Writer in haskell?

Interfacing with structs and anonymous unions with c2hs

How do I use fix, and how does it work?

Haskell Fixpoint Combinators Letrec

The type checker is allowing a very wrong type replacement, and the program still compiles

How do I clear the terminal screen in Haskell?

Haskell Terminal Ghci

Does Haskell have tail-recursive optimization?

Haskell Optimization Lazy Evaluation Tail Recursion Tail Call-Optimization

What's the point of 'const' in the Haskell Prelude?

Dot Operator in Haskell: need more explanation

Haskell Syntax Function Composition

mtl, transformers, monads-fd, monadLib, and the paradox of choice

Haskell Monads Monad Transformers

Haskell: why the convention to name a helper function "go"?

Haskell Naming Conventions

Ordering of parameters to make use of currying

Haskell Functional Programming Currying Partial Application

Haskell offline documentation?

Haskell Offline Mode

What are paramorphisms?

Haskell Recursion Functional Programming Higher Order-Functions

How do functional programming languages work?

Oop Programming Languages Haskell Functional Programming Paradigms

Difference between State, ST, IORef, and MVar

Variables Haskell Monads State Monad Ioref

Exceptions in Yesod

Json Haskell Exception Handling Yesod

How does this piece of obfuscated Haskell code work?

Why does ghci desugar type lists and type families? Can this be selectively disabled?

Haskell Types Ghci

What are Haskell's strictness points?

Haskell Language Design Lazy Evaluation Strictness

When are higher kinded types useful?

Scala Haskell Types F#Higher Kinded-Types

Parallel mapM on Repa arrays

Arrays Haskell Parallel Processing Repa

Write a Haskell interpreter in Haskell

Haskell Functional Programming Interpreter

Why is writing a compiler in a functional language easier?

Compiler Construction Haskell Ocaml Functional Programming

What's so bad about Lazy I/O?

Haskell Io Lazy Evaluation

Why can I not make String an instance of a typeclass?

Haskell Ghc Typeclass Type Systems

Distinction between typeclasses MonadPlus, Alternative, and Monoid?

Haskell Applicative Monoids Alternative Functor Monadplus

What's the status of current Functional Reactive Programming implementations?

Haskell Functional Programming Erlang Reactive Programming

Why does this Haskell code run slower with -O?

Haskell Optimization Ghc Compiler Bug

Orphaned instances in Haskell

Haskell Ghc Typeclass

Why is Haskell (sometimes) referred to as "Best Imperative Language"?

Haskell Imperative Programming

How do exceptions in Haskell work?

Exception Haskell

Why does this Haskell code produce the "infinite type" error?

Haskell Types Type Inference

How does foldr work?

Haskell Combinators Fold

Recursion schemes for dummies?

Haskell Recursion Functional Programming Recursion Schemes

What is the combinatory logic equivalent of intuitionistic type theory?

Haskell Types Functional Programming Logic Agda

Haskell "do nothing" IO, or if without else

Haskell Syntax Io

Concrete example showing that monads are not closed under composition (with proof)?

Haskell Monads Composition Proof

How can I get esqueleto to generate an SQL string for me?

Haskell Yesod Esqueleto

How to provide explicit type declarations for functions when using GHCi?

Haskell Types Ghci Function Declaration

What language to learn after Haskell?

Haskell Programming Languages

Haskell: lift vs liftIO

Haskell Monad Transformers

What do "reify" and "reification" mean in the context of (functional?) programming?

Haskell Functional Programming Metaprogramming Terminology Reification

Haskell on JVM?

Haskell Jvm Jvm Languages Frege

How can I uninstall a version of a Cabal package?

Haskell Ghc Cabal

Data.Text vs String

String Haskell Text

How to read this GHC Core "proof"?

Haskell Ghc Proof Haskell Platform Formal Verification

What is the monomorphism restriction?

Haskell Types Polymorphism Type Inference Monomorphism Restriction

What is Levity polymorphism

Haskell types frustrating a simple 'average' function

Haskell Types Typeclass

foldl is tail recursive, so how come foldr runs faster than foldl?

Optimization Haskell Tail Recursion Combinators Fold

Monads as adjunctions

Haskell Monads Functor Category Theory

Exception handling in Haskell

Haskell Exception Handling

Functional lenses

Haskell Functional Programming Lenses

How and why does the Haskell Cont monad work?

Haskell Monads Continuations

Mathematica: what is symbolic programming?

Programming Languages Haskell Functional Programming Wolfram Mathematica

Is functional GUI programming possible?

User Interface Haskell F#Functional Programming

Why should I use applicative functors in functional programming?

Haskell Functional Programming Functor

How does the ST monad work?

Zipper Comonads, Generically

Haskell Zipper Deriving Comonad

Writing foldl using foldr

Haskell Recursion Fold

Haskell function execution time

How to run a Haskell file in interpreted mode

Haskell Ghc Ghci Interpreted Language

What is the ecosystem for Haskell web development?

In Haskell, when do we use in with let?

Haskell Scope Whitespace Where Clause Let

Haskell unit testing

Unit Testing Haskell

How can I write multiline strings in Haskell?

Can anyone explain Monads?

Haskell Functional Programming Monads Glossary

Haskell or Standard ML for beginners?

Haskell Functional Programming Sml Discrete Mathematics

Cartesian product of 2 lists in Haskell

Haskell Combinatorics Cartesian Product

Divide Int to Int and return Int

Text or Bytestring

String Haskell Text

attoparsec or parsec in haskell

Haskell Parsec Attoparsec

What does <$> mean in Haskell?

Should I use GHC Haskell extensions or not?

What are free monads?

Haskell Monads Category Theory Free Monad

How to create a polyvariadic haskell function?

Haskell Variadic Functions Function Parameter Polyvariadic

What are arrows, and how can I use them?

Difference between logic programming and functional programming

Haskell Functional Programming Prolog

What is () in Haskell, exactly?

Haskell Types Unit Type

Why do we need monads?

Convert String to Integer/Float in Haskell?

Haskell Floating Point Int

Can Haskell functions be proved/model-checked/verified with correctness properties?

Testing Haskell Functional Programming Formal Methods Formal Verification

Why does Haskell's `head` crash on an empty list (or why doesn't it return an empty list)? (Language philosophy)

Haskell Polymorphism Parametric Polymorphism

DatatypeContexts Deprecated in Latest GHC: Why?

Haskell Deprecated Language Extension

What is supercompilation?

Haskell Compilation Compiler Optimization

Transitivity of Auto-Specialization in GHC

Confused by the meaning of the 'Alternative' type class and its relationship to other type classes

Haskell Typeclass Alternative Functor Monadplus

How to compare two functions for equivalence, as in (λx.2*x) == (λx.x+x)?

Haskell Clojure Lambda Functional Programming Lisp

Good Haskell coding standards

Haskell Coding Style Conventions

What characters are permitted for Haskell operators?

Haskell Syntax Operators

What are skolems?

Haskell Types Type Variables

What is the DataKinds extension of Haskell?

Haskell Types Algebraic Data-Types Data Kinds

What is Haskell's Data.Typeable?

Haskell Typeclass Generic Programming Scrap Your-Boilerplate

Left and Right Folding over an Infinite list

List Haskell Functional Programming Infinite Fold

What does Haskell's <|> operator do?

Haskell Applicative Alternative Functor

Haskell IDE for Windows?

Windows Haskell Ide

Monads vs. Arrows

Language Agnostic Haskell Functional Programming Monads Arrows

What are practical uses of applicative style?

Scala Haskell F#Functional Programming Applicative

The Pause monad

Haskell Monads Coroutine Monad Transformers Free Monad

Lazy Evaluation and Time Complexity

Algorithm Sorting Haskell Lazy Evaluation Time Complexity

Using TemplateHaskell to list all names in a namespace

Haskell Template Haskell

Equal (=) Vs left arrow (<-) symbols in haskell

Profiling builds with Stack

Haskell Cabal Haskell Stack

What is Haskell's Stream Fusion

List Optimization Compiler Construction Haskell

Understanding a recursively defined list (fibs in terms of zipWith)

List Haskell Lazy Evaluation Fibonacci Lazy Sequences

Difference between print and putStrLn in Haskell

Haskell Printing Ghc

How to properly communicate compile-time information to Template Haskell functions?

Haskell Compile Time Template Haskell

Haskell Array.Accelerate - forkOS error

Haskell Plot Gnuplot Gpu

What is the best way to test and interact with inner functions defined inside a toplevel function?

Debugging Haskell Read Eval-Print-Loop Ghci

Monads with Join() instead of Bind()

What are the problems with an ADT encoding that associates types with data constructors? (Such as Scala.)

Scala Haskell Playframework Functional Programming Argonaut

What exactly is meant by "partial function" in functional programming?

Python Haskell Functional Programming Partial Application Partial Functions

What is a monad?

Haskell Functional Programming Monads Terminology

Machine learning in OCaml or Haskell?

Haskell Machine Learning Ocaml

How does non-strict and lazy differ?

Haskell Definition Lazy Evaluation

What are the benefits of applicative parsing over monadic parsing?

Haskell Monads Parsec Applicative

Difference between OOP interfaces and FP type classes

Oop Haskell Interface Functional Programming Typeclass

Haskell: how to map a tuple?

Haskell Mapping Tuples

Why is the bind operator (>>=) defined as it is?

Haskell Bind Monads

Haskell type vs. newtype with respect to type safety

Haskell Types Type Systems

How to import a .hs file in Haskell

Haskell Syntax Module

How to print integer literals in binary or hex in haskell?

Haskell Binary Io Hex

How can my Haskell program or library find its version number?

Haskell Version Package Cabal

How difficult is Haskell multi-threading?

Multithreading Haskell Concurrency Multicore

What's the theoretical basis for existential types?

Haskell Types Type Systems Existential Type Quantifiers

Is there a monad that doesn't have a corresponding monad transformer (except IO)?

Haskell Monads Monad Transformers Category Theory

What does the `forall` keyword in Haskell/GHC do?

Haskell Syntax Types Ghc Forall

Parametric polymorphism vs Ad-hoc polymorphism

Java Haskell Types Polymorphism Type Inference

What is monoid homomorphism exactly?

Scala Haskell Functional Programming Category Theory Monoids

What are "n+k patterns" and why are they banned from Haskell 2010?

Haskell Functional Programming

Good Haskell source to read and learn from

Haskell Coding Style Open Source

Haskell - foldl and foldr?

Maintaining complex state in Haskell

Haskell Functional Programming State

What constitutes a fold for types other than list?

Haskell Functional Programming Terminology Fold

Difference between Monad and Applicative in Haskell

Haskell Monads Applicative

What does "coalgebra" mean in the context of programming?

Scala Haskell Functional Programming Category Theory Recursion Schemes

Scala Hoogle equivalent?

Scala Haskell Type Systems

Haskell Weird Kinds: Kind of (->) is ?? -> ? -> *

Haskell Types Type Systems

My cabal packages are FUBAR; how can I purge them and start over?

How to install a package using stack?

Haskell Cabal Cabal Install Package Management Haskell Stack

Why does Haskell use mergesort instead of quicksort?

Performance Sorting Haskell

Haskell: can't use "map putStrLn"?

Haskell Io Monads

What are the differences and similarities of Scala and Haskell type systems?

Scala Haskell Type Systems

When is it OK to use an IORef?

Haskell State Monads Ioref

What is the difference between Pattern Matching and Guards?

Haskell Syntax Guard

Which Haskell (GHC) extensions should users use/avoid?

Haskell Language Extension

Why use null function instead of == [] to check for empty list in Haskell?

List Haskell Is Empty Empty List

Which Haskell XML library to use?

Xml Haskell Comparison

What's the "|" for in a Haskell class definition?

Haskell Syntax Typeclass

Uses for Haskell id function

Function Haskell Functional Programming

What does "pure" mean in "pure functional language"?

Haskell Functional Programming

Is there a function to flatten a nested list of elements?

cmm call format for foreign primop (integer-gmp example)

Data Constructor promotion in GHC-7.6

Haskell Constructor Ghc

Use MonadRef to implement MonadCont

Haskell Continuations Delimited Continuations

Haskell's algebraic data types

Data Structures Haskell Types Functional Programming Algebraic Data-Types

Any Real-World Experience Using Software Transactional Memory?

Scala Haskell Clojure Language Agnostic Stm

Use of Haskell state monad a code smell?

Haskell Coding Style Monads State Monad

Haskell (:) and (++) differences

List Haskell Syntax

How do you use Control.Applicative to write cleaner Haskell?

Haskell Coding Style

unique elements in a haskell list

How to "debug" Haskell with printfs?

Debugging Haskell Trace Printf Debugging

In Haskell, how do you trim whitespace from the beginning and end of a string?

String Haskell Trim Removing Whitespace

Why is seq bad?

Haskell Lazy Evaluation

One processing conduit, 2 IO sources of the same type

Networking Haskell Stm Tms Conduit

What does $ mean/do in Haskell?

Haskell Syntax Operators Dollar Sign

What is the benefit of purely functional data structure?

Data Structures Haskell Functional Programming Ocaml Purely Functional

How can I view the definition of a function in Haskell/GHCi?

Why aren't there many discussions about co- and contra-variance in Haskell (as opposed to Scala or C#)?

Haskell Covariance Contravariance

Existential vs. Universally quantified types in Haskell

Haskell Polymorphism Existential Type

Why is there no implicit parallelism in Haskell?

Haskell Concurrency Parallel Processing Compiler Optimization

Sets, Functors and Eq confusion

Scala Haskell Equality Functor

Extremely small or NaN values appear in training neural network

Algorithm Haskell Neural Network Backpropagation

Haskell function application and currying

Haskell Functional Programming Currying

What are the primary theoretical difficulties with adding ML-style modules to Haskell?

Haskell Ocaml Sml Ml Type Systems

Comparison of Priority Queue implementations in Haskell

An example of a Foldable which is not a Functor (or not Traversable)?

Haskell Functor Fold Traversal

Curry-Howard isomorphism

Haskell Types Logic Curry Howard

Why are Haskell algebraic data types "closed"?

Oop Haskell Types Functional Programming Type Systems

Generating Fibonacci numbers in Haskell?

Haskell Fibonacci

Understanding Arrows in Haskell

Avoiding namespace pollution in Haskell

Haskell Namespaces Types Records

Techniques for Tracing Constraints

Haskell Constraints Ghc

Haskell lightweight threads overhead and use on multicores

Multithreading Haskell Concurrency Multicore Lightweight Processes

Impredicative types vs. plain old subtyping

Scala Haskell Functional Programming Subtype Impredicativetypes

How to reduce duplication in the build-depends fields of a .cabal file?

Using Haskell for sizable real-time systems: how (if?)?

Haskell Embedded Real Time Hard Real-Time

Haskell record syntax

Layout Haskell Syntax Syntactic Sugar

What is the most production-level Haskell to JavaScript compiler, to write code running in the browser?

Javascript Haskell Code Translation

Integral operators quot vs. div

How to handle changing the implementation of Events when using Data.Acid

Haskell Acid State

Why is Haskell missing "obvious" Typeclasses

Haskell Typeclass Abstraction Standard Library

Defining a new monad in haskell raises no instance for Applicative