1 files changed, 60 insertions, 0 deletions
diff --git a/zenstore/hashkeyset.cpp b/zenstore/hashkeyset.cpp
new file mode 100644
index 000000000..a5436f5cb
--- /dev/null
+++ b/zenstore/hashkeyset.cpp
@@ -0,0 +1,60 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include <zenstore/hashkeyset.h>
+
+//////////////////////////////////////////////////////////////////////////
+
+namespace zen {
+
+void
+HashKeySet::AddHashToSet(const IoHash& HashToAdd)
+{
+	m_HashSet.insert(HashToAdd);
+}
+
+void
+HashKeySet::AddHashesToSet(std::span<const IoHash> HashesToAdd)
+{
+	m_HashSet.insert(HashesToAdd.begin(), HashesToAdd.end());
+}
+
+void
+HashKeySet::RemoveHashesIf(std::function<bool(const IoHash& CandidateHash)>&& Predicate)
+{
+	for (auto It = begin(m_HashSet), ItEnd = end(m_HashSet); It != ItEnd;)
+	{
+		if (Predicate(*It))
+		{
+			It = m_HashSet.erase(It);
+		}
+		else
+		{
+			++It;
+		}
+	}
+}
+
+void
+HashKeySet::IterateHashes(std::function<void(const IoHash& Hash)>&& Callback) const
+{
+	for (auto It = begin(m_HashSet), ItEnd = end(m_HashSet); It != ItEnd; ++It)
+	{
+		Callback(*It);
+	}
+}
+
+//////////////////////////////////////////////////////////////////////////
+//
+// Testing related code follows...
+//
+
+#if ZEN_WITH_TESTS
+
+void
+hashkeyset_forcelink()
+{
+}
+
+#endif
+
+}  // namespace zen