I am using "Ramda/Fantasy" library for creating Monads. And i am trying to combine IO's to get element from the DOM and change its text content. But t ...
I am using "Ramda/Fantasy" library for creating Monads. And i am trying to combine IO's to get element from the DOM and change its text content. But t ...
Recently I have decided to switch from lodash to ramda to play with functional way of composing my logic. I love it! After some extensive digging into ...
Good evening, I need to group an array of objects by their nickname, here I show you the data: here I show you the expected result: I tried aggr ...
There is a given function, that is fixed and must not be changed: Now, because I would like to be functional and would like to avoid null-checks I' ...
I'm diving into FP in js (I'm newbbie to FP) and I faced a little "problem" describing remaining arguments of curried functions, wrapped into Functors ...
I can't figure out why the third function (i.e. doStuff3) isn't being called, so the console.log on fork should print "hello world!!!!" You can run ...
I was using Bluebird for doing asynchronous stuff, but now have to do a lot of empty / null / error checks and I don't want to go down the usual if El ...
How do I map over an array wrapped in a Maybe or any other Monad? Right now I'm using ...
I want to have a pipe that does some operations on a Maybe, and want to return its value at last. Currently I am doing: Is there any cleaner way ou ...
If the first test doesn't pass, it will return Either.Left, and the second one won't be called. It will out put: _Right {value: user} But if the f ...
I am trying to understand how the map works in FP. I want to test how does the map work in Functional Programming. Below is the testing code. ...
Lets say I have bunch of functions returns Just or Nothing values and I want to chain them together like this; Output: In this above code since ...
I'm using ramda-fantasy for the monads. I have a string inside a maybe and a some functions that will perform regex matches on a string and return a M ...
Trying to figure out how the IO monad works. Using the code below I read filenames.txt and use the results to rename files in the directory testfile ...