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  1. #include <iostream>
  2. #include <type_traits>
  3.  
  4. template<class T>
  5. void wiegross(T t) {
  6.     std::cout << sizeof(t) << std::endl;
  7. }
  8.  
  9. int main() {
  10.     int a = 23;
  11.     double b = 42;
  12.     int* c = &a;
  13.     int d = 4;
  14.     int e = 5;
  15.     wiegross([&]{return a*b+*c;});
  16.     wiegross([&]{return a*b+*c+d+e;});
  17. }
  18.  
Success #stdin #stdout 0s 3296KB
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stdin 
Standard input is empty
stdout 
12
20
https://ideone.com/5LQfwE
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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