🍀type category

Swift ⟩ type ⟩ category

🔴 主題

• 🍀 basic types

• 🍀 nested types

• 🍀 generics

• 🍀 some (opaque type)

• 🍀 non-nominal types

• 🅿️ protocol

📘 手冊

• Swift ⟩ Types ⟩ Opaque Types