switch case is ...

Swift ⟩ Pattern Matching ⟩ Sentence Patterns ⟩

💈範例

👉 比較： if let ... as?, switch case let ... as

// switch on "protocol type"
switch medium {
  case is WebSite: // ⭐️ case is (without binding)
  default: // ...
}

📗 參考

• AliSoftware ⟩ Pattern Matching

  • Part 1: switch, enums & where clauses

  • Part 2: tuples, ranges & types ⭐️

👥 相關

• if let ... as? - use as?.

• switch case let ... as - optional binding.