Pass string by reference

DGtal-team · Jan 11, 2018 · 835e2a4 · 835e2a4
1 parent 3026690
commit 835e2a4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/converters/mesh2vol.cpp b/converters/mesh2vol.cpp
@@ -74,8 +74,8 @@ namespace po = boost::program_options;
 */
 
 template< unsigned int SEP >
-void voxelizeAndExport(const std::string inputFilename,
-                       const std::string outputFilename,
+void voxelizeAndExport(const std::string& inputFilename,
+                       const std::string& outputFilename,
                        const unsigned int resolution)
 {
   using Domain   = Z3i::Domain;