While doing exercises of chapter 3 of the Purescript by Example book was puzzled by this: The exercise is to write an isInBook :: String -> String ...
While doing exercises of chapter 3 of the Purescript by Example book was puzzled by this: The exercise is to write an isInBook :: String -> String ...
TLDR: Is there a Haskell library that offers function definitions (preferably with concise notation or naming) for handling common patterns of multi-a ...
I have learned that point-free style is preferred in the Haskell community, and I often write expressions like this: naive = (slugifyUnicode . T.take ...
function composition of single argument functions is a simple 1 liner. how would I (if it's possible) write the following composition in 1 line? ...
If I have two functions f and g, in Haskell I can compose them by writing g.f. How do I do the same thing in Lean 4? ...
I'm a huge fan of functional programming. I strive to use point free notation when I can. However, I often don't understand when point free notation i ...
Is there a way to do the following in just one line with lambdas in python? squared = lambda x : x**2 cubed = lambda x : x**3 squareCubed = lambda x ...
I've read How to compose functions in Rust? Function composition chain in Rust I've learned implementing a Function composition chain in Rust is ra ...
In dart, with generics, the identity function works as below: a to a: a to the list type [a]: Now, I have function composition compose: C F ...
I want to implement function composition in an object method chain in Rust. Before that, I confirmed that implementation of an object method chain fo ...
I'm working on an NES emulator in c++ and figured that the most efficient way to run opcodes would be to call a function pointer in an array of functi ...
I have encountered a problem with some code I am trying to write in Idris 2. I would like to resolve this issue, but more importantly, I wish to under ...
Below are three functions that need to be composed and give us the output 30: const add = (a) => a + 10; const mul = (a) => a * 10; const divid ...
The Function interface has the compose() and andThen() methods while the BiFunction interface only has the andThen() method. My question is simply how ...
I have some trouble understanding this example: I have this datatype named Row that contains a list of integers, and the Matrix datatype containing ...
This is an exercise: As beginner, I am not able to solve that. I tried many approach, this one does not work : Following my current understandin ...
I have been wondering whether should I return the object itself from a setter or procedure (returning void originally), so that all the function can c ...
I try to implement a function that is to extend a specified function to have a chainable method for function composition; as below; Also see: TypeScr ...
I'm studying functional composition and have an example: This example compiles and works as expected. However, if I change the order of the composi ...
I'm learning haskell, and I'm trying to rewrite a function using composition only Here's the function I'm trying to refactor: ceilingDiv a b = ceili ...