fix cppcoreguidelines-*

* cppcoreguidelines-init-variables
* cppcoreguidelines-c-copy-assignment-signature
* cppcoreguidelines-macro-usage
* cppcoreguidelines-non-private-member-variables-in-classes
* cppcoreguidelines-pro-type-member-init
* cppcoreguidelines-slicing
* cppcoreguidelines-special-member-functions
* cppcoreguidelines-virtual-class-destructor

src/Base/FileTemplate.cpp

@@ -38,12 +38,19 @@ using namespace Base;
  */
 ClassTemplate::ClassTemplate() = default;
 
+ClassTemplate::ClassTemplate(const ClassTemplate&) = default;
+
+ClassTemplate::ClassTemplate(ClassTemplate&&) = default;
+
 /**
  * A destructor.
  * A more elaborate description of the destructor.
  */
 ClassTemplate::~ClassTemplate() = default;
 
+ClassTemplate& ClassTemplate::operator=(const ClassTemplate&) = default;
+
+ClassTemplate& ClassTemplate::operator=(ClassTemplate&&) = default;
 
 //**************************************************************************
 // separator for other implementation aspects