Binding+variable

Binding+variable.swift

extension Binding {
    public static func variable(_ value: Value) -> Binding<Value> {
        var state = value
        return Binding<Value> {
            state
        } set: {
            state = $0
        }
    }
}

struct TestToggle: View {
    @Binding var value: Bool
    var body: some View {
        Toggle(isOn: $value) {
            Text("Toggle Me")
        }
        .padding()
    }
}

struct TestToggle_Previews: PreviewProvider {
    static var previews: some View {
        TestToggle(value: .variable(true))
    }
}