Swift

Init

• Swift Tutorial: Initialization In Depth

Errors

• Providing a unified Swift error API
• Picking the right way of failing in Swift

Protocols

• 👍 Protocols I: “Start With a Protocol,” He Said
• Specializing protocols in Swift
• Using protocol compositon for dependency injection
• Swift Protocols with Default Implementations as UI Mixins
• Overriding Swift Protocol Extension Default Implementations

Value Types

• 2019.01 👍 Encapsulating Domain Data, Logic and Business Rules With Value Types in Swift
• 2019.01 Reference vs. Value Types in Swift
• 2018.08 Value-Oriented Programming

Enums

• 2017.04 Swift Enums Are “sum” Types. That Makes Them Very Interesting

Structs

• 2018.05 Stop Using Structs!

Optionals

• 2018.04 Optional Emptiness
• 2017.10 A nil-coalescing alternative for Swift
• 2017.09 The Strange Case Of Mapping Over Optionals
• 2017.01 Pretty much every way to assign optionals
• 2015.12 Dealing with Optionals in ViewControllers

Collections

• 2019.09 Picking the right data structure in Swift (also refers to a nice article about Time Complexity / Big O notation etc)
• 2017.01 Optimizing Swift Collections 20’ video + repo
• Almost Everything You Wanted To Know About Sequence and Collection

Result Type

• 2019.11 Swift 5’s Result Type 16’ video, nice explanation of flatMap on Result

Type Erasure

• 2020.05 Understanding type erasure in Swift
• 2019.11 OkCupid Presents: How To Use Type Erasure For Better Model Abstractions
• 2019.03 Different flavors of type erasure in Swift

Property Wrappers

• 2020.01 Property wrappers in Swift good intro from Sundell