A Swift Tour

The Basics

Basic Operators

Strings and Characters

Collection Types

Control Flow

Functions

Closures

Enumeration

Structures and Classes

Properties

Methods

Subscripts

Inheritance

Initialization

Deinitialization

Optional Chaining

Error Handling

Concurrency

Type Casting

Nested Types

Extensions

Protocols

Generics

Opaque Types

Automatic Reference Counting

Memory Safety

Access Control

Advanced Operators

https://docs.swift.org/swift-book/

https://swiftgg.gitbook.io/swift/

https://github.com/yanqizhao/Swift-Code/tree/develop/Swift Documentation.playground