modify getStage() method to be slightly more efficient

PDAL · Aug 27, 2018 · 228a539 · 228a539
1 parent b037c32
commit 228a539
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pdal/PipelineManager.hpp b/pdal/PipelineManager.hpp
@@ -106,7 +106,9 @@ class PDAL_DLL PipelineManager
     // return the pipeline reader endpoint (or nullptr, if not a reader
     // pipeline)
     Stage* getStage() const
-        { return leaves().size() ? leaves()[0] : nullptr; }
+        {
+            const auto& llist = leaves();
+            return llist.size() ? llist[0] : nullptr; }
 
     // Set the log to be available to stages.
     void setLog(LogPtr& log)