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-rw-r--r--src/common/fs/fs_util.h25
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diff --git a/src/common/fs/fs_util.h b/src/common/fs/fs_util.h
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+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <concepts>
+#include <string>
+#include <string_view>
+
+namespace Common::FS {
+
+template <typename T>
+concept IsChar = std::same_as<T, char>;
+
+/**
+ * Converts a UTF-8 encoded std::string or std::string_view to a std::u8string.
+ *
+ * @param utf8_string UTF-8 encoded string
+ *
+ * @returns UTF-8 encoded std::u8string.
+ */
+[[nodiscard]] std::u8string ToU8String(std::string_view utf8_string);
+
+} // namespace Common::FS