1 files changed, 7 insertions, 0 deletions
diff --git a/include/framework/RecordInterface.h b/include/framework/RecordInterface.h
index cea9fbe..f0d9f5c 100644
--- a/include/framework/RecordInterface.h
+++ b/include/framework/RecordInterface.h
@@ -41,6 +41,12 @@ concept KVPInterface = RecordInterface<R> && requires(R r) {
 };
 
 template<typename R>
+concept AlexInterface = KVPInterface<R> && requires(R r) {
+    {r.key} -> std::convertible_to<size_t>;
+    {r.value} -> std::convertible_to<size_t>;
+};
+
+template<typename R>
 concept WrappedInterface = RecordInterface<R> && requires(R r, R s, bool b) {
     {r.header} -> std::convertible_to<uint32_t>;
      r.rec;
@@ -117,6 +123,7 @@ struct WeightedRecord {
     }
 };
 
+
 template <typename V, size_t D=2>
 struct CosinePoint{
     V data[D];