simple test for explicit template instantiation

explicit-templates/CMakeLists.txt

+cmake_minimum_required(VERSION 3.10)
+
+project(explicit-templates)
+
+set(CMAKE_CXX_STANDARD 14)
+
+add_executable(main main.cpp)
+target_sources(main PRIVATE Hund.cpp)
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explicit-templates/Hund.cpp

+#include "Hund.hpp"
+#include <iostream>
+
+template< class FOO>
+void Hund<FOO>::bar(){
+   bellen<FOO>();
+}
+
+template< class FOO>
+void bellen(){
+   std::cout << "wuff" << std::endl;
+}
+
+template class Hund<double>;
+//template void bellen<double>();
+
+

explicit-templates/Hund.hpp

+#pragma once
+
+template< class FOO>
+class Hund {
+
+  void bar();
+};
+
+template <class FOO>
+void bellen();
+
+//extern template void bellen<double>();
\ No newline at end of file

explicit-templates/main.cpp

+
+#include "Hund.hpp"
+
+int main(){
+   Hund<double> hund();
+   bellen< double >();
+}
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