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Tag Archives: Swift
Simple deep linking in Swift
If you need to support deep links with a custom URL scheme in your iOS or tvOS app, check out my tidy little API to help convert URLs into deep link objects. It’s written in Swift 3. I published it on … Continue reading
Posted in Swift, Uncategorized
Tagged deeplink, Swift
Reflectable enums in Swift 3
Suppose you are working on a Swift program that needs a data model to represent a contact, such as a person from the user’s address book or a FaceBook friend. You might start off by modeling this as a Contact … Continue reading
Generate Equatable code in Swift
Here is my Swift 3 utility function for turning a live class/struct instance into Equatable protocol code for that type: https://github.com/ijoshsmith/equatable-code-generator Here’s to never writing that kind of code ever again!
Function composition in Swift
The way that functional programming languages allow functions to be combined can help make code easier to read and understand. The technique is known as function composition. I show how to compose functions in Swift 3 using custom operators, including a … Continue reading
Concealment design pattern in Swift
This article introduces a design pattern that I call Concealment, and demonstrates how to use the pattern in Swift code. Purpose The Concealment pattern enables types to support novel, related functionality without adding nonessential members to their interface. Motivation User-defined types can easily be overused in a codebase, giving more prominence to … Continue reading
Analyzing a dependency graph in Swift
I published my solution to Dave Thomas’s Transitive Dependencies programming exercise, known as a kata, to GitHub: https://github.com/ijoshsmith/transitive-dependencies-kata The Challenge This exercise involves analyzing a graph data structure which contains nodes that “depend on” other nodes. A graph is represented as direct dependencies between nodes: The objective is to find all … Continue reading
DRY Fusion data munging kata in Swift
I worked through one of Dave Thomas’s programming exercises, called a kata, and pushed my Swift 2.2 code to GitHub. The code shows how to apply the Don’t Repeat Yourself (DRY) principle to two similar but different data processing programs. The end result of … Continue reading
