Swift Generics

WWDC 2018

Swift Generics

WWDC 2018

Generics

Type safety, Memory

Wrap Common Algorithms in Methods

Designing a Protocol

Setting the Element Type

Constraining Index

Customization Points

Using Count in a Generic Context

Choosing When to Define Customization Points

Protocol Inheritance

BidirectionalCollection

Fisher-Yates Shuffle

Collection Protocol Hierarchy

Collection Protocol Hierarchy

Conditional Conformance

Slicing Collections

Range

Range Structures

Range as a Collection

Range conditionally conforms to RandomAccessCollection

CountableRange is a convenient alias for Ranges that are Collections

Protocol Conformances and Classes

Required initializers must be implemented by all subclasses

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