1 files changed, 7 insertions, 0 deletions
diff --git a/absl/container/node_hash_set.h b/absl/container/node_hash_set.h
index 421ff460..ec9ab519 100644
--- a/absl/container/node_hash_set.h
+++ b/absl/container/node_hash_set.h
@@ -35,10 +35,12 @@
 #ifndef ABSL_CONTAINER_NODE_HASH_SET_H_
 #define ABSL_CONTAINER_NODE_HASH_SET_H_
 
+#include <cstddef>
 #include <type_traits>
 
 #include "absl/algorithm/container.h"
 #include "absl/base/macros.h"
+#include "absl/container/internal/container_memory.h"
 #include "absl/container/internal/hash_function_defaults.h"  // IWYU pragma: export
 #include "absl/container/internal/node_slot_policy.h"
 #include "absl/container/internal/raw_hash_set.h"  // IWYU pragma: export
@@ -487,6 +489,11 @@ struct NodeHashSetPolicy
   }
 
   static size_t element_space_used(const T*) { return sizeof(T); }
+
+  template <class Hash>
+  static constexpr HashSlotFn get_hash_slot_fn() {
+    return &TypeErasedDerefAndApplyToSlotFn<Hash, T>;
+  }
 };
 }  // namespace container_internal