Swift by Sundell

Building a design system at Genius Scan

Deciding between ‘let’ and ‘var’ for Swift struct properties

Decoding Swift types that require additional data

Tips and tricks for when using SwiftUI’s ViewBuilder

Using Swift’s defer keyword within async and throwing contexts

Modern URL construction in Swift

Swift by Sundell is back!

SwiftUI views versus modifiers

Observing the content offset of a SwiftUI ScrollView

Podcast: “The evolution of Swift”, with special guest Nick Lockwood

Podcast: “Swift concurrency in practice”, with special guest Ben Scheirman

Combining opaque return types with primary associated types

Podcast: “Responsive and smooth UIs”, with special guest Adam Bell

Podcast: “Freelancing and WWDC22 highlights”, with special guest Donny Wals

Podcast: “The role of system design”, with special guest Gui Rambo

Sponsored: Essential Developer

Podcast: “What’s new in SwiftUI in iOS 16?”, with special guest Natalia Panferova

Switching between SwiftUI’s HStack and VStack

Podcast: “Swift 5.7, generics, and the road to Swift 6”, with special guest Ben Cohen

Using the ‘some’ and ‘any’ keywords to reference generic protocols in Swift 5.7

Swift 5.7’s new optional unwrapping syntax

Rendering SwiftUI views within UITableView or UICollectionView cells on iOS 16

Podcast: “The evolution of SwiftUI”, with special guest Chris Eidhof

Swift by Sundell turns five years old today! Here’s what’s next for the website and the podcast

Podcast: “A framework and an app”, with special guest Simon Støvring

Type placeholders in Swift

Podcast: “Accessibility on Apple’s platforms”, with special guest Sommer Panage

Abstract types and methods in Swift

Sponsor: Judo

Basics: Equality

Podcast: “Where is Swift headed in 2022?”, with special guest JP Simard

Writing testable code when using SwiftUI

Combining protocols in Swift

Memory management when using async/await in Swift

Automatically retrying an asynchronous Swift Task

Backgrounds and overlays in SwiftUI

Basics: Loops

Creating Combine-compatible versions of async/await-based APIs

Two ways of capturing self strongly within a closure

Podcast: “The 2021 Season Finale”

Building an asynchronous SwiftUI button

Podcast: “Custom rendering”, with special guest James Thomson

New Discover page: Concurrency

Delaying an asynchronous Swift Task

Lightweight dependency injection and unit testing using async functions

Podcast: “Concurrency beyond app development”, with special guest Tim Condon

What role do Tasks play within Swift’s concurrency system?

Swift actors: How do they work, and what kinds of problems do they solve?

Podcast: “Code maintenance”, with special guest Nick Lockwood

Unit testing Swift code that uses async/await

Using count vs isEmpty to check whether a collection contains any elements

Building async and concurrent versions of forEach and map

Podcast: “Concurrency and Swift-DocC”, with special guest Marin Todorov

Using Swift’s concurrency system to run multiple tasks in parallel

Podcast: “UIKit in 2021”, with special guest Ben Scheirman

Making async system APIs backward compatible

Swift’s new concurrency system gains backward compatibility in Xcode 13.2

New Discover page: Generics

Specialized extensions using generic type constraints

Building editable lists with SwiftUI

Which of the SwiftUI APIs introduced in iOS 15 are backward compatible?

Podcast: “Opportunities for optimization”, with special guest Christian Selig

Programmatic navigation in SwiftUI

Podcast: “Building various kinds of editors”, with special guest Marcin Krzyzanowski

Previewing SwiftUI views in landscape

Using Combine’s share operator to avoid duplicate work

New Discover page: Codable

Codable synthesis for Swift enums

Sponsor: Paste

Conditional compilation within Swift expressions

Podcast: “The magic of Augmented Reality”, with special guest Roxana Jula

Async sequences, streams, and Combine

Podcast: “What’s new in Swift 5.5”, with special guest Antoine van der Lee

Using static protocol APIs to create conforming instances

Defining dynamic colors in Swift

Using ‘@unknown default’ within switch statements

Podcast: “WWDC21, two months later”, with special guest Jordan Morgan

Throwing and asynchronous Swift properties

Attaching property wrappers to function arguments

Podcast: “Cross-platform SwiftUI”, with special guest Malin Sundberg

Stroking and filling a SwiftUI shape at the same time

Mutating and non-mutating Swift contexts

Sponsor: ViRE

Podcast: “A tower of capabilities”, with special guest Chris Lattner

Dismissing a SwiftUI modal or detail view

Calling async functions within a Combine pipeline

Making SwiftUI views refreshable

Basics: Availability checks

Customizing how an external Swift type is encoded or decoded

Connecting async/await to other Swift code

Automatic conversions between Double and CGFloat values in Swift 5.5

Using the MainActor attribute to automatically dispatch UI updates on the main queue

Podcast: “Structured concurrency”, with special guest Doug Gregor

First looks at the new APIs and frameworks announced at WWDC21 on WWDC by Sundell & Friends

A Swift developer’s WWDC dreams - 2021 edition

Podcast: “An entire spectrum of apps”, with special guest Sean Allen

Avoiding problematic cases when using Swift enums

Podcast: “Anything can happen during WWDC”, with special guest Ish ShaBazz

Avoiding having to recompute values within SwiftUI views

Three ways to render a SwiftUI view in a playground