init

Telegram/lib_ui/ui/text/text_variant.h

@@ -0,0 +1,30 @@
+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "ui/text/text_entity.h"
+
+namespace v::text {
+
+using data = std::variant<
+	v::null_t,
+	QString,
+	rpl::producer<QString>,
+	TextWithEntities,
+	rpl::producer<TextWithEntities>>;
+
+[[nodiscard]] bool is_plain(const data &d);
+[[nodiscard]] bool is_marked(const data &d);
+[[nodiscard]] rpl::producer<QString> take_plain(
+	data &&d,
+	rpl::producer<QString> &&fallback = rpl::never<QString>());
+[[nodiscard]] rpl::producer<TextWithEntities> take_marked(
+	data &&d,
+	rpl::producer<TextWithEntities> &&fallback
+		= rpl::never<TextWithEntities>());
+
+} // namespace v::text