🔰init Binding

SwiftUI ⟩ Data Flow ⟩ Binding ⟩ init

💾 程式

// custom control
struct SlidersForSize: View {
    @Binding var size: CGSize    // ⭐️ Binding variable
    var body: some View { ... }
}

extension SlidersForSize {
    init(_ size: Binding<CGSize>) {
        self._size = size        // ⭐️ 注意：不是 `self.size = size` ❗️❗️❗️
    }
}

💈範例

• SizeRatioControl

👥 相關

• compare: init State.