broken property wrapper syntax in Xcode 14 beta 5

wrapperTest.swift

@propertyWrapper
struct SmallNumber {
    private var maximum: Int
    private var number: Int

    var wrappedValue: Int {
        get { return number }
        set { number = min(newValue, maximum) }
    }

    init() {
        maximum = 12
        number = 0
    }
    init(wrappedValue: Int) {
        maximum = 12
        number = min(wrappedValue, maximum)
    }
    init(wrappedValue: Int, maximum: Int) {
        self.maximum = maximum
        number = min(wrappedValue, maximum)
    }
}

struct SomeStructure {
    @SmallNumber var someNumber: Int
}

func someFunction() {
    @SmallNumber var myNumber: Int = 0

    var someStructure = SomeStructure()

    someStructure.someNumber = 4
    print(someStructure.$someNumber) // Error: Value of type 'SomeStructure' has no member '$someNumber'
    
    myNumber = 10
    // now myNumber is 10

    myNumber = 24
    // now myNumber is 12
}