Quick and dirty FormatStyle for ordinal representation of a given Int

OrdinalNumberFormatStyle.swift

struct OrdinalNumberFormatStyle: FormatStyle {
    func format(_ value: Int) -> String {
        Self.ordinalFormatter.string(from: NSNumber(value: value)) ?? String(describing: value)
    }
    
    static var ordinalFormatter: NumberFormatter = {
        let formatter = NumberFormatter()
        formatter.numberStyle = .ordinal
        formatter.locale = .autoupdatingCurrent
        return formatter
    }()
}

extension FormatStyle where FormatInput == Int, FormatOutput == String, Self == OrdinalNumberFormatStyle  {
    static var ordinal: OrdinalNumberFormatStyle {
        OrdinalNumberFormatStyle()
    }
}

struct NumberView: View {
    
    @State var number: Int
    
    var body: some View {
        Text("\(number.formatted(.ordinal))")
    }
    
}