TabView Selection 값 확인하기

A.swift
@State private var currentIndex: Int = 0
B(currentIndex: self.$currentIndex)

B.swift
@Binding var currentIndex: Int

init(currentIndex: Binding<Int>) {
	_currentIndex = currentIndex
}

TabView(selection: self.$currentIndex) {
    ForEach(self.wordEntityExtend.indices, id: \.self) { index in
        VStack {
            Text("\(self.currentIndex)")
        }
    }
}
.tabViewStyle(.page(indexDisplayMode: .never))