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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. template <class T1>
  6. class TypeSize {
  7. public:
  8.     TypeSize(T1 value) {
  9.         this->value = value;
  10.     }
  11.     void DataTypeSize() {
  12.         cout << "value size is " << sizeof(T1) << endl;
  13.     }
  14. private:
  15.     T1 value;
  16. };
  17.  
  18. template <class T1>
  19. class TypeInfo : public TypeSize<T1> {
  20. public:
  21.     TypeInfo(T1 value) : TypeSize<T1>(value) {                 //<<<<<<< Ошибка!
  22.  
  23.     }
  24. };
  25.  
  26.  
  27. int main() {
  28.  
  29.     int a = 2;
  30.     TypeInfo<int> c(a);
  31.     c.DataTypeSize();
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 0s 4408KB
comments (?)
stdin
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Standard input is empty
stdout
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value size is 4
https://ideone.com/Mo8cir
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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