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  1. struct MyClass {
  2.     template<typename... Tail>
  3.     static int count() {
  4.         return 0;
  5.     }
  6.  
  7.     template<char Head, char... Tail>
  8.     static int count() {
  9.         return 1 + count<Tail...>();
  10.     }
  11. };
  12.  
  13. #include <iostream>
  14.  
  15. int main() {
  16.     std::cout << MyClass::count<'f','o','o'>();
  17. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin 
Standard input is empty
stdout 
3
https://ideone.com/7SgiTL
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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