Recursive Template

#include <cstdio>
#include <vector>
 
template<int n>
struct A
{
    static const auto value = A<n - 1>::value + n;
};
 
template<>
struct A<1>
{
    static const auto value = 1;
};
 
int main()
{
    printf("c=%c\n", A<5>::value);
}

Here is the transformed code:

#include <cstdio>
#include <vector>
 
template<int n>
struct A
{
  static const auto value = A<n - 1>::value + n;
};
 
/* First instantiated from: recursive-template.cpp:7 */
#ifdef INSIGHTS_USE_TEMPLATE
template<>
struct A<4>
{
  static const int value = A<3>::value + 4;
};
 
#endif
/* First instantiated from: recursive-template.cpp:7 */
#ifdef INSIGHTS_USE_TEMPLATE
template<>
struct A<3>
{
  static const int value = A<2>::value + 3;
};
 
#endif
/* First instantiated from: recursive-template.cpp:7 */
#ifdef INSIGHTS_USE_TEMPLATE
template<>
struct A<2>
{
  static const int value = A<1>::value + 2;
};
 
#endif
/* First instantiated from: recursive-template.cpp:18 */
#ifdef INSIGHTS_USE_TEMPLATE
template<>
struct A<5>
{
  static const int value = A<4>::value + 5;
};
 
#endif
 
template<>
struct A<1>
{
  static const int value = 1;
};
 
 
int main()
{
  printf("c=%c\n", A<5>::value);
  return 0;
}

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