Optional Binding in parameter SwiftUI

Question

Here are my optional binding

@Binding var showSheetModifFile : Bool?
@Binding var fileToModify : File?

init( showSheetModifFile : Binding? = nil         


        

Answer 1

There is special Binding constructor for this purpose

SingleFileView(showSheetModifFile: Binding(self.$showModifFileSheet), 
   fileToModify: Binding(self.$fileToModify))

Update: alternate solution

struct FileDemoView: View {
    @State var showModifFileSheet : Bool? = false
    @State var fileToModify : File? = File()

    var body: some View {
        SingleFileView(showSheetModifFile: $showModifFileSheet, fileToModify: $fileToModify)
    }

}


struct SingleFileView: View {
    @Binding var showSheetModifFile : Bool?
    @Binding var fileToModify : File?


    init(showSheetModifFile : Binding = .constant(nil), fileToModify : Binding = .constant(nil)) {
        _showSheetModifFile = showSheetModifFile
        _fileToModify = fileToModify
    }

    var body: some View {
        Text("")
    }
}