Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »
Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged haskell

For questions related to Haskel, a purely functional programming language.

This tag doesn't have a detailed wiki yet.

50%
+0 −0
Q&A Adding dependency with cabal in gitlab-ci

I have a project I normally build with nix and cabal, however I also want to publish my documentation onto gitlab pages. It's impractical to run my nix on the gitlab CI, so I've just been using cab...

0 answers  ·  posted 9h ago by WheatWizard‭

75%
+4 −0
Q&A Why does `Zip` require `Semialign`

The Zip class from Data.Zip requires an implementation of Semialign: class Semialign f => Zip f In my mind: Zip takes the intersection of two shapes. Semialign takes the union of two sha...

1 answer  ·  posted 2mo ago by WheatWizard‭  ·  last activity 2mo ago by r~~‭

Question haskell
80%
+6 −0
Q&A How to use function composition for applying a function to first elements of a list?

Can anyone explain to me why my Haskell function gives rise to a type-definition error? Originally, I wrote the following function to subtract one from the first n elements in a list: dec_first :...

2 answers  ·  posted 9mo ago by mr Tsjolder‭  ·  last activity 9mo ago by mauke‭

30%
+1 −5
Q&A Haskell revision question. [closed]

The answer for this question is that there is something wrong with the expression of the first guard of this function below: congratulations :: [(String, Int)] -> [String] congratulations [] =...

0 answers  ·  posted 1y ago by Anonymous‭  ·  closed 1y ago by Alexei‭

Question haskell
50%
+2 −2
Q&A What does this function definition mean in Haskell?

What does this function definition mean in Haskell? fn x [] = [] fn x (True:ys) = x : fn x ys fn x _ = []

1 answer  ·  posted 1y ago by Anonymous‭  ·  last activity 1y ago by r~~‭

Question haskell
50%
+1 −1
Q&A Why does my code show an error at deriving (eq)? (SOLVED) NEW ERROR: At SimpleEnigma & SteckeredEnigma constructors which I need help on :")

Hi, I'm trying to code an Enigma machine in Haskell which were used by the German in WWII to transmit coded messages. An Enigma Machine consists of 3 rotors which are substitution ciphers and a re...

1 answer  ·  posted 1y ago by Anonymous‭  ·  last activity 1y ago by Alexei‭

Question debugging haskell