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  1. #include <iostream>
  2.  
  3. static constexpr bool isSSE2 = false;
  4.  
  5. template<typename T>
  6. static void (*fp)() = nullptr;
  7.  
  8. template<typename T>
  9. static void foo_c() {
  10.     std::cout << "foo_c get called." << std::endl;
  11. }
  12.  
  13. template<typename T>
  14. static void foo_sse2() {
  15.     std::cout << "foo_sse2 get called." << std::endl;
  16. }
  17.  
  18. int main() {
  19.     if (isSSE2)
  20.         fp<int> = foo_sse2<int>;
  21.     else
  22.         fp<int> = foo_c<int>;
  23.  
  24.     fp<int>();
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0s 15240KB
comments ()
stdin
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Standard input is empty
stdout
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foo_c get called.
https://ideone.com/pznunQ
SO sample code test
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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