arifinfrds Data Structure & Algorithm, Swift, Test Driven Development

#6 Swift – TDD + Merge Two Lists (LeetCode)

Hi everyone, I am back, and this video is about how we can use Test Driven Development to solve Merge Two Lists algorithm Problem! We can use TDD to solve very small unit of logic, then we can keep refactor our code so that it can works in integration. #tdd #testdrivendevelopment #swiftprogramming #dsa #datastructuresandalgorithms #arifinfrds … Continue reading #6 Swift – TDD + Merge Two Lists (LeetCode)

arifinfrds Architecture, Clean Code, Code, Swift

Compose Your UseCases to Create New Functionality using Composite Reuse Principle

On the previous article, we already learn about how to create a UseCase. In this article, we are going to learn how we can composes use case and create new one that has different functionality, using Composite Reuse Principle. Let's visit the previous article example. The previous example, we have a LoadTransactionsUseCase protocol to get a general picture … Continue reading Compose Your UseCases to Create New Functionality using Composite Reuse Principle

arifinfrds Clean Code, Code, Swift

Get Rid of `nil` Values using Dictionary.compactMapValues { $0 }

What is compactMapValues { $0 } ? compactMapValues {} can be really helps when we are dealing with optional values inside a dictionary. Readability is also important, especially amongs the developers. compactMapValues is one of the great language feature of Swift. "Returns a new dictionary containing only the key-value pairs that have non-nil values as the … Continue reading Get Rid of `nil` Values using Dictionary.compactMapValues { $0 }