Fix build with Xcode.

Telegram/SourceFiles/api/api_suggest_post.cpp

@@ -83,7 +83,6 @@ void ConfirmApproval(
 		not_null<HistoryItem*> item,
 		TimeId scheduleDate = 0,
 		Fn<void()> accepted = nullptr) {
-	using Flag = MTPmessages_ToggleSuggestedPostApproval::Flag;
 	const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
 	if (!suggestion
 		|| suggestion->accepted

Telegram/SourceFiles/core/credits_amount.h

@@ -101,9 +101,21 @@ public:
 		return result;
 	}
 
-	friend inline constexpr auto operator<=>(CreditsAmount, CreditsAmount)
+// AppleClang :/
-		= default;
+//	friend inline auto operator<=>(CreditsAmount, CreditsAmount)
-	friend inline constexpr bool operator==(CreditsAmount, CreditsAmount)
+//		= default;
+	friend inline constexpr auto operator<=>(
+			CreditsAmount a,
+			CreditsAmount b) {
+		if (const auto r1 = (int(a._ton) <=> int(b._ton)); r1 != 0) {
+			return r1;
+		} else if (auto r2 = (a._whole <=> b._whole); r2 != 0) {
+			return r2;
+		}
+		return (a._nano <=> b._nano);
+	}
+
+	friend inline bool operator==(CreditsAmount, CreditsAmount)
 		= default;
 
 	[[nodiscard]] CreditsAmount abs() const {

Telegram/SourceFiles/history/view/media/history_view_todo_list.cpp

@@ -256,7 +256,6 @@ void TodoList::updateTexts() {
 			}));
 	}
 	if (_flags != _todolist->flags() || _subtitle.isEmpty()) {
-		using Flag = PollData::Flag;
 		_flags = _todolist->flags();
 		_subtitle.setText(
 			st::msgDateTextStyle,

Telegram/SourceFiles/ui/controls/ton_common.cpp

@@ -81,7 +81,7 @@ std::optional<int64> ParseAmountNano(QString trimmed) {
 	auto digitsCount = 0;
 	for (auto i = 0; i != result.text.size();) {
 		const auto ch = result.text[i];
-		const auto atSeparator = result.text.midRef(i).startsWith(separator);
+		const auto atSeparator = QStringView(result.text).mid(i).startsWith(separator);
 		if (ch >= '0' && ch <= '9' && digitsCount < kMaxDigitsCount) {
 			++i;
 			++digitsCount;