Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibUnicode/PartitionRange.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+
+namespace Unicode {
+
+struct PartitionRange {
+    // ICU does not contain a field enumeration for "literal" partitions. Define a custom field so that we may provide
+    // a type for those partitions.
+    static constexpr i32 LITERAL_FIELD = -1;
+
+    constexpr bool contains(i32 position) const
+    {
+        return start <= position && position < end;
+    }
+
+    constexpr bool operator<(PartitionRange const& other) const
+    {
+        if (start < other.start)
+            return true;
+        if (start == other.start)
+            return end > other.end;
+        return false;
+    }
+
+    i32 field { LITERAL_FIELD };
+    i32 start { 0 };
+    i32 end { 0 };
+};
+
+}