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Showing posts with the label Functional Programming

Set Key In A Javascript Generator Function

Hi I'm trying to figure out how to set up the key in a symbol iterator, this is the code I have… Read more Set Key In A Javascript Generator Function

Find Object Inside Array Inside Another Array

let bigArray = [ { Name: 'Trump', children: [ {Name: 'TrumpChi… Read more Find Object Inside Array Inside Another Array

A Shorthand For Function.prototype.call.call?

Ways to call a function Consider this simple function: function my(p) { console.log(p) } I can cal… Read more A Shorthand For Function.prototype.call.call?

What Functional-pattern Is This? If Any?

I find myself over and over again, writing code like this, and is thinking. There must be a known p… Read more What Functional-pattern Is This? If Any?

Y-combinator In Javascript

I have built a y-combinator in js like this const y = f => { const g = self => x => f(sel… Read more Y-combinator In Javascript

Why Are Higher Order Functions Hiding My Es6 Class Properties?

EDIT: I've added updated screenshots (at the end), for further clarification. I'm attemptin… Read more Why Are Higher Order Functions Hiding My Es6 Class Properties?

Algorithm To Merge Two Arrays Into An Array Of All Possible Combinations

Example given in JavaScript: Suppose we have two arrays [0,0,0] and [1,1,1]. What's the algorit… Read more Algorithm To Merge Two Arrays Into An Array Of All Possible Combinations

Why Is 'window.angular' Used Like So, In This Function Definition?

I'm trying to understand an angularjs file I need to use to integrate with Django, and it has a… Read more Why Is 'window.angular' Used Like So, In This Function Definition?

How Do Convert This Code And My Thinking To A Functional Mindset (clojure)?

How do I convert this JavaScript code to Clojure? I am trying to draw a (x,y) world where the cells… Read more How Do Convert This Code And My Thinking To A Functional Mindset (clojure)?

Js Using Partially Parametrized Function

I'm very new to JS, I've tried code below : function isBigEnough(element, index, array, thr… Read more Js Using Partially Parametrized Function

Fulfilling All Function Arguments In Order Before Invoking

I'm trying to understand how the following zip function (esp. the invoke function) can be made … Read more Fulfilling All Function Arguments In Order Before Invoking

[a,b].reduce(f,x) Code To [a,b].reduce(f) Using Transducer /cps Based Functional References?

In my previous Quesion: Extracting data from a function chain without arrays @Aadit M Shah gave me … Read more [a,b].reduce(f,x) Code To [a,b].reduce(f) Using Transducer /cps Based Functional References?

Is There A Name For This Function

I am looking for a name for the following function: (f, a) => () => f(a) Basically a function… Read more Is There A Name For This Function

Conforming My ReadPackageFiles To Fit Inside "Parallel" Function

I got a lot of help from this SO question around grabbing directories and searching files. I'm… Read more Conforming My ReadPackageFiles To Fit Inside "Parallel" Function

Does The Hack-style Pipe Operator |> Take Precedence Over Grouping Operator ( ) In Order Of Operations In JavaScript?

Does the Hack-style pipe operator |> take precedence over grouping operator ( ) in order of oper… Read more Does The Hack-style Pipe Operator |> Take Precedence Over Grouping Operator ( ) In Order Of Operations In JavaScript?

Understanding Javascript Callbacks And Formal Parameters

Here is an example of a question that I am slightly confused about. Function one calls function tw… Read more Understanding Javascript Callbacks And Formal Parameters

Monads Not With "flatMap" But "flatUnit"?

Monads in category theory is defined by triples T, unit, flat⟩. class Monad t where map :: (a -&… Read more Monads Not With "flatMap" But "flatUnit"?

Good Names For Flipped Versions Of `lt`, `lte`, `gt`, And `gte`?

I've been working for some time on a Javascript FP library called Ramda, and I'm having a s… Read more Good Names For Flipped Versions Of `lt`, `lte`, `gt`, And `gte`?