searchable.swift

struct Cars: Identifiable {
   var id = UUID()
   var name: String
}
struct SomeView: View {
      @State var searchText: String = ""
      @State var cars: [Cars] = [Cars(name: "Nissan"), Cars(name: "Mercedes"), Cars(name: "BMW")]
var body: some View {
      NavigationView {
         List($cars) { $car in
            Text(car.name)
         }
         .searchable("Search cars", text: $searchText, placement: .automatic) {
            Text("mer".searchCompletion("Mercedes")
         }
      }
   }
   
   var searchResults: [Cars] {
      is searchText.isEmpty {
         return cars
      } else {
         return cars.filter{$0.name.lowercase().contains(searchText.lowercased())}
      }
   }
}