Examples/test-suite/errors/cpp_template_explicit_instantiation.i

%module xxx

%inline %{
namespace std {
  template<typename T> class vector {};
}
template<typename T> void Func() {}
%}

%inline %{
// Class template
template class std::vector<int>;        // C++03 template explicit instantiation definition in C++
extern template class std::vector<int>; // C++11 template explicit instantiation declaration (extern template)
%}
%template(VectorInt) std::vector<int>;  // SWIG template instantiation

%inline %{
// Function template
template void Func<int>();             // C++03 template explicit instantiation definition in C++
extern template void Func<int>();      // C++11 template explicit instantiation declaration (extern template)
%}
%template(FuncInt) Func<int>;          // SWIG template instantiation

%inline %{
// Function template with a trailing return type
template<typename T> auto Trailing(T t) -> T { return t; }
template auto Trailing<int>(int) -> int;
extern template auto Trailing<int>(int) -> int;
template auto Trailing<const int *>(const int *) -> const int *;
%}