import SwiftUI

/*
 Type aliases define an alternative name for an existing type. You define type aliases with the typealias keyword.
 Type aliases are useful when you want to refer to an existing type by a name that’s contextually more appropriate.
*/

struct TypeAliases: View {
    typealias Emoji = String
    let smiley: Emoji = "😊"
    let winkingFace: Emoji = "😉"
    let moneyFace: Emoji = "🤑"
    let 💞: Emoji = "Revolving Hearts"
    
    var body: some View {
        List {
            Text("Smiley face: \(smiley)")
            Text("Winking face: \(winkingFace)")
            Text("Money face: \(moneyFace)")
            Text(💞)
        }
    }
}

struct TypeAliases_Previews: PreviewProvider {
    static var previews: some View {
        TypeAliases()
            .preferredColorScheme(.dark)
    }
}