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Telegram/lib_base/base/const_string.h

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+// 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 <QtCore/QString>
+#include <QtCore/QByteArray>
+#include <string_view>
+
+namespace base {
+
+class const_string final : public std::string_view {
+public:
+	using std::string_view::string_view;
+
+	[[nodiscard]] QString utf16() const {
+		return QString::fromUtf8(data(), size());
+	}
+
+	[[nodiscard]] QByteArray utf8() const {
+		return QByteArray::fromRawData(data(), size());
+	}
+
+};
+
+} // namespace base
+
+[[nodiscard]] inline constexpr base::const_string operator""_cs(
+		const char *data,
+		std::size_t size) {
+	return { data, size };
+}