COMP: Error due to imporoper linkage specification
inline functions are required to be declared and defined in the same scope. The inline specifier changed the linkage signature an prevented this from compiling.
Undefined symbols for architecture x86_64: "vtkMRMLSliceNode::GetNumberOfThreeDViewIDs() const", referenced from: PyvtkMRMLSliceNode_GetNumberOfThreeDViewIDs(object, object) in vtkMRMLSliceNodePython.cxx.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)