Distributing closed-source frameworks with SPM
The Swift Package Manager is a tool for managing the distribution of Swift code. It's incredibly easy to use and is quickly becoming one of the main methods of distributing Swift libraries. In this post, Daniel Saidi looks at how to distribute closed-source XCFrameworks using the Swift Package Manager.
Posted on March 5, 2021
#spm
Variable, Tuple, Closure, and Generic Typealias in Swift
A type alias declaration introduces a named alias of an existing type and is declared using the typealias keyword. In this post, Robert Pieta provides examples of creating type aliases for a variety of Swift types. Even if you are already familiar with type alias declarations, this is a useful quick refresher.
Posted on March 4, 2021
#typealias
Operation
The Operation type from Apple's Foundation framework is an abstract class that represents a single task. In this post, Bruce Evens makes his case for using Operations over DispatchQueues in Swift, arguing that since we are using a high-level language, we should also use high-level constructs.
Posted on February 27, 2021
#operation
#gcd
Phantom types in Swift
A phantom type in Swift is a generic type that is declared but not used inside the type where it is declared. In this post, Majid Jabrayilov demonstrates how to use phantom types to create type-safe and robust APIs.
Posted on February 26, 2021
#generics
nil-null-mess in Objective-C and Swift
In this post, Andy Ibanez looks at the state of nullability in both Objective-C and Swift. Andy explains the different representations of nothingness in each language and points out some pitfalls which we might encounter when working with nullability.
Posted on February 25, 2021
#nullability
#objective-c
#optional
XCTest tips and tricks that can level up your Swift testing
Testing is such a critical part of the software development process that it's always great to learn some new test-related tricks. In this post, Joe Masilotti shares some of his favorite XCTest tips he picked up over the past few years. Swift code samples included.
Posted on February 19, 2021
#testing
Meridian
Meridian is a Swift web server created by Soroush Khanlou that lets you declaratively express endpoints. In this post, Soroush explains why he created Meridian and describes its benefits. Note that Meridian is in active development and is currently available as a Swift package.
Posted on February 12, 2021
#server
What’s new in Swift 5.4?
According to the Swift team, Swift 5.4 is a release focused on quality and performance enhancements. However, it also adds important new features. In this post, Paul Hudson describes some of these new features, including result builders, a feature unofficially available since Swift 5.1 and previously known as function builders.
Posted on February 7, 2021
#swift 5.4
HTTP in Swift, Part 8: Request Options
In part 8 of his series on building a Swift HTTP framework, Dave Delong demonstrates how we can customize individual request behavior. Dave does this by declaring type-safe request options that dynamically alter requests when applied by the request loader.
Posted on January 21, 2021
#network
#http
What type is self in a Swift self-executing anonymous closure used to initialize a stored property?
We have likely all (perhaps unknowingly) used a self-executing anonymous closure in our Swift code. Indeed, one use is when initializing stored properties for a type. In this post, Jesse Squires describes a situation he encountered when using such a closure that led to the discovery of unexpected behavior in Swift.
Posted on January 19, 2021
#closure