ENH: CTAD guide ImageScanlineConstIterator support non-const image

Extend the deduction guide of `ImageScanlineConstIterator` to support a `SmartPointer` argument that represents a non-const image pointer (while preserving its support for `const` image pointers as argument).
InsightSoftwareConsortium · Apr 24, 2023 · a6c3742 · a6c3742
1 parent cac4e26
commit a6c3742
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Modules/Core/Common/include/itkImageScanlineConstIterator.h b/Modules/Core/Common/include/itkImageScanlineConstIterator.h
@@ -19,6 +19,7 @@
 #define itkImageScanlineConstIterator_h
 
 #include "itkImageIterator.h"
+#include <type_traits> // For remove_const_t.
 
 namespace itk
 {
@@ -263,8 +264,8 @@ class ITK_TEMPLATE_EXPORT ImageScanlineConstIterator : public ImageConstIterator
 
 // Deduction guide for class template argument deduction (CTAD).
 template <typename TImage>
-ImageScanlineConstIterator(SmartPointer<const TImage>, const typename TImage::RegionType &)
-  ->ImageScanlineConstIterator<TImage>;
+ImageScanlineConstIterator(SmartPointer<TImage>, const typename TImage::RegionType &)
+  ->ImageScanlineConstIterator<std::remove_const_t<TImage>>;
 
 } // end namespace itk