April 27, 2019
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I mentioned partial application several times in my previous post on currying with the promise of going in more detail about it in the future. I'm fulfilling that promise now. Or resolving. There's an easy pun or two there if you look for them. Partial application is the act of applying some, but…
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Just Enough FPApril 26, 2019
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Currying is, by far, one of the coolest things I've learned in the last few years. When it clicked in my brain, it was such an intense epiphany that I literally ran to the other room and begged my wife to join me in the office so I could explain it to her on the whiteboard. She doesn't know a thing…
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Just Enough FPApril 21, 2019
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Alright, I know that the title of this post already contains some technical jargon that's potentially intimidating. But if you've made it this far, I assure you, you can understand this concept. Let's define "immutability". The fastest way to do that is to start with its antonym--"mutability…
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Just Enough FPApril 14, 2019
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Another fundamental of functional programming is a solid understanding of pure functions. A pure function is one in which its output is derived solely from its inputs, with no side effects. I know that might still seem like gibberish to some of you, so I'll break this down and hopefully make it…
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Just Enough FPApril 08, 2019
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Making sense of functional programming requires a solid understanding of a few fundamental concepts. In my opinion, the first one you need to learn is the concept of "higher order functions". A higher order function is a function that meets at least one of the following requirements: It accepts a…
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Just Enough FPMarch 22, 2019
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In 2017, I came across The Mostly Adequate Guide to Functional Programming by Brian Lonsdorf . It's an incredible resource and introduction to functional programming in JavaScript. It inspired me to start giving talks about functional programming in 2018. After giving the talk several times, I…
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Just Enough FPFebruary 02, 2019
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A few months back, Jason Lengstorf and I started a gathering for people in Portland to get together, relax, and get to know one another. Our biggest night so far had over 30 people crowding this cozy little backroom of a local bar. It was great. A lot of people have expressed experiencing…
January 27, 2019
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If you look just above the title of this post, you should see a beard icon and the phrase ${strokes} bestowed . It's a fun little indicator of how many likes this post has received to date. I built this using a Firebase Realtime Database . For those of you unfamiliar with Firebase, it's a cool…
January 24, 2019
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I made mention in my "What Are State Machines?" post of the fact that a state machine is a graph data structure. Each state a node. Each transition an edge triggered by an event. You remember, right? No worries if you don't, now you know. I also mentioned you can do cool things like create a…
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State MachinesJanuary 22, 2019
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In a previous post , I explained what a state machine is and how to build one from scratch. In this post, we're going to learn how to make our first state machine using the XState library . First step? You guessed it. Install the library into your project. Next, we're going to get the Machine…
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State MachinesLet's talk some more about JavaScript, React, and software engineering.
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