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  1. #include <stdarg.h>
  2. #include <stdio.h>
  3.  
  4. template<size_t N>
  5. int test(int x1, ...)
  6. {
  7.     size_t n = N;
  8.     va_list ap;
  9.     va_start(ap, x1);
  10.  
  11.     printf("test<N>\n");
  12.  
  13.     int sum = x1;
  14.  
  15.     for(size_t i = 1; i < n; ++i)
  16.         sum += va_arg(ap, int);
  17.  
  18.     va_end(ap);
  19.  
  20.     return sum;
  21. }
  22.  
  23. template<>
  24. int test<3U>(int x1, ...)
  25. {
  26.     size_t n = 3U;
  27.     va_list ap;
  28.     va_start(ap, x1);
  29.  
  30.     printf("test<3>\n");
  31.  
  32.     int sum = x1;
  33.  
  34.     for(size_t i = 1; i < n; ++i)
  35.         sum += va_arg(ap, int);
  36.  
  37.     va_end(ap);
  38.  
  39.     return sum;
  40. }
  41.  
  42. int main()
  43. {
  44.     const int t2 = test<2>(1, 2);
  45.     printf("%d\n", t2);
  46.  
  47.     const int t3 = test<3>(1, 2, 3);
  48.     printf("%d\n", t3);
  49.  
  50.     return 0;
  51. }
  52.  
  53.  
  54.  
Success #stdin #stdout 0s 2852KB
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stdin
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Standard input is empty
stdout
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test<N>
3
test<3>
6
https://ideone.com/f2XvSn
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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