Code 1. Five Lines of Code Principle - Unlocking Efficiency

In this special bonus episode of The Tech Diaries podcast, your host Sahil David is thrilled to bring you an exciting principle that can have a big impact on writing maintainable code. Get ready to dive into the world of programming efficiency as Sahil explores the powerful concept known as the Five Lines of Code Principle.

Join Sahil, as he breaks down the fundamental idea behind the principle: how just a few well-crafted lines of code can bring significant impact to your projects. Whether you're a seasoned developer or just starting your coding journey, this episode promises valuable insights and practical tips to optimize your coding practices.

Tune in for this bonus episode and unlock the potential of the Five Lines of Code Principle. Remember, great things can be achieved with just a few lines! In the world of software development, efficiency is crucial. So, the next time you sit down to write code, I encourage you to embrace the 'Five Lines of Code' principle and witness the positive impact it can have on your projects.

Read: https://dev.to/kanani_nirav/the-five-lines-of-code-principle-why-less-is-more-in-programming-31j6

Chapters

• 0:00 Introduction
• 15:00 Five Lines of Code Principle

Transcript

Welcome to today's podcast episode! I want to introduce you to a powerful concept that can greatly impact your code. It's called the 'Five Lines of Code' principle.

According to this principle, it's recommended that your functions should not exceed five lines of code. If a function goes beyond this limit, it's a sign that it should be broken down into smaller functions, each with a single responsibility. By adopting this approach, your code becomes easier to read, understand, and maintain.

Although this principle sounds straightforward, implementing it can be quite challenging. When we're in the midst of coding, it's common to lose track and end up with lengthy blocks of code that may become hard to manage in the future. However, by enforcing the five-line limit, we're forced to be more thoughtful and deliberate in our code. While it may initially feel difficult, over time it becomes a habit.

Let's explore a practical example in JavaScript. We have a function that calculates the total cost of items in a shopping cart. It loops through the items, applies discounts and taxes, and adds the final price to the total. It's a simple function, but it exceeds the five-line limit. So, let's refactor it together.

Firstly, we can create a separate function to calculate the price of a single item, ensuring that it stays within five lines. Already, this improves the readability of our code. But we can take it further and replace the loop with the 'reduce' method. By doing so, we simplify the code even more, making it easier to maintain in the future.

In the world of software development, efficiency is crucial. So, the next time you sit down to write code, I encourage you to embrace the 'Five Lines of Code' principle and witness the positive impact it can have on your projects.