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// RUN: %target-typecheck-verify-swift -target %target-cpu-apple-macosx10.15 -swift-version 5
// REQUIRES: objc_interop
// REQUIRES: OS=macosx
import SwiftUI
enum Status {
case complete
case waiting
}
struct Item : Hashable {
var question: String
var answer: Int
}
func transform(_ v: Int) -> String? { return String(v) }
func transform(_ v: Double) -> String? { return String(v) }
struct MyView : View {
var status: Status
var items: [Item] = []
var currItem: Item {
get { fatalError() }
nonmutating set { }
}
var body: some View {
ZStack {
ItemsView {
EmptyView()
} results: {
switch (status) {
case .complete:
ForEach(items, id: \.self) { item in
if let question = item.question, // expected-error {{initializer for conditional binding must have Optional type, not 'String'}}
let answer = item.answer { // expected-error {{initializer for conditional binding must have Optional type, not 'Int'}}
ItemView {
currItem.question = question
currItem.answer = answer
} content: {
AnswerView(title: "",
color: .red,
answer: transform(answer) ?? "",
selected: false)
}
}
}
default:
EmptyView()
}
}
}
}
}
struct AnswerView : View {
var title: String
var color: Color
var answer: String
var selected: Bool
var body: some View {
EmptyView()
}
}
struct ItemsView<Content: View, Results: View>: View {
@ViewBuilder var content: Content
@ViewBuilder var results: Results
var body: some View {
EmptyView()
}
}
struct ItemView<Content: View> : View {
var fn: () -> Void
@ViewBuilder var content: Content
var body: some View {
EmptyView()
}
}
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