functional

24 Jun

Iteration – a Stream Generator for Recursive Minds

stp2y0 CommentsNewscoding, community, development, engineering, functional, inclusive, java, software, stream

The Chores For anyone having been in programming a couple of years, chances are you've run into an interview question or an assignment like iterator for binary tree. There are variants like for the "pre-order", "post-order" or "in-order" traversal; or sometimes you got a n-ary tree instead of a bnary tree. A reason this kind of question is used in interviews is because they require some meticulous attention to details, to make sure you've considered all edge cases etc. Another familiar concept that are sometimes discussed: how do you create a Stream<Integer> representing the (infinite) Fibonacci sequence? The one thing…

23 Jun

Understanding Type Guards in Effect-TS: Ensuring Safe Option Handling

stp2y0 CommentsNewscoding, community, development, effect, engineering, functional, inclusive, javascript, software, typescript

In functional programming, handling optional values effectively and safely is paramount. Effect-TS provides robust tools to manage Option types, ensuring that developers can handle the presence or absence of values in a type-safe manner. One critical aspect of working with Option types is understanding and using type guards. In this article, we'll explore how to use various type guards provided by Effect-TS to check and handle Option types effectively. What is an Option? An Option type represents a value that may or may not exist. It encapsulates an optional value with two possible states: Some(value): Represents a value that exists.…