pr feedback

Author: andiwand

Core/include/Acts/EventData/SpacePointColumnProxy2.hpp

@@ -63,7 +63,9 @@ class SpacePointColumnProxy {
   /// @throws std::out_of_range if the index is out of range.
   Reference at(Index index) const {
     if (index >= column().size()) {
-      throw std::out_of_range("Index out of range");
+      throw std::out_of_range("Index out of range in SpacePointContainer2: " +
+                              std::to_string(index) +
+                              " >= " + std::to_string(size()));
     }
     return data()[index];
   }
@@ -80,6 +82,8 @@ class SpacePointColumnProxy {
   Container *m_container{};
   Column *m_column{};
 
+  std::uint32_t size() const noexcept { return column().size(); }
+
   Column &column() const noexcept
     requires(!ReadOnly)
   {

Core/include/Acts/EventData/SpacePointContainer2.ipp

@@ -27,14 +27,18 @@ SpacePointContainer2::createSpacePoint() noexcept {
 
 inline MutableSpacePointProxy2 SpacePointContainer2::at(Index index) {
   if (index >= size()) {
-    throw std::out_of_range("Index out of range in SpacePointContainer2");
+    throw std::out_of_range(
+        "Index out of range in SpacePointContainer2: " + std::to_string(index) +
+        " >= " + std::to_string(size()));
   }
   return MutableProxy(*this, index);
 }
 
 inline ConstSpacePointProxy2 SpacePointContainer2::at(Index index) const {
   if (index >= size()) {
-    throw std::out_of_range("Index out of range in SpacePointContainer2");
+    throw std::out_of_range(
+        "Index out of range in SpacePointContainer2: " + std::to_string(index) +
+        " >= " + std::to_string(size()));
   }
   return ConstProxy(*this, index);
 }