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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<typename S,typename D>
  5. D type_cast(S s) {
  6.   union Tmp {
  7.     S src;
  8.     D dst;
  9.   } T;
  10.   T.src = s;
  11.   return T.dst;
  12. }
  13.  
  14. class MyArray10 {
  15.   public:
  16.     MyArray10() : a{'0','1','2','3','4','5','6','7','8','9'} {};
  17.     char &operator[](size_t idx) {
  18.       if (idx>9) throw std::out_of_range(type_cast<MyArray10*,char*>(this));
  19.       return a[idx];
  20.     }
  21.   private:
  22.     char a[10];	
  23. };
  24.  
  25. int main() {
  26.   MyArray10 Arr;
  27.   try {
  28.   	std::cout << std::hex << Arr[1] << std::endl;
  29.   	std::cout << std::hex << Arr[10] << std::endl;
  30.   } catch (std::out_of_range &e) {
  31.   	std::cout << "Выход за границы массива в: " << std::hex << static_cast <const void *> (e.what()) << std::endl;
  32.   } catch (...) {
  33.   	std::cout << "Произошла неведомая хрень" << std::endl;
  34.   }	
  35.   return 0;
  36. }
Success #stdin #stdout 0s 15240KB
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Выход за границы массива в: 0x559efcff2ce8
https://ideone.com/6cfNyc
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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