What is Swift? Safety, Performance, Readability
Understand what Swift is and why its design centers on safety, performance, and readability.
Intro
Swift is a modern compiled language built for safety, performance, and readability.
- Safe by design
- Fast by default
- Easy to read
Safety basics
Safety shows up as optionals (values may be nil), bounds checks, and definite initialization.
- Handle absence explicitly with optionals.
- Compiler catches many mistakes early.
All lessons in this course
- What is Swift? Safety, Performance, Readability
- Install & Tools: Swift toolchain, REPL, swiftc, Editors
- First Program & Build/Run (REPL vs swiftc, scripts)