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  1. #include <iostream>
  2. #include <cstdint>
  3. using namespace std;
  4.  
  5. template <typename T, unsigned int N>
  6. struct buffer {
  7.     int8_t v[N];
  8.  
  9.     struct proxy {
  10.         int8_t *elem;
  11.  
  12.     	proxy(int8_t *elem) : elem(elem) {}
  13.  
  14.         proxy& operator=(T value) {
  15.             // whatever you need...
  16.             *elem = static_cast<T>(value);
  17.             return *this;
  18.         }
  19.         operator T() const {
  20.             // whatever you need... 
  21.             return static_cast<T>(*elem);
  22.         }
  23.     };
  24.  
  25.     proxy operator[](int i) {
  26.         return proxy{ &v[i] };
  27.     }
  28. };
  29.  
  30. int main() {
  31. 	buffer<double, 1> buf;
  32.  
  33. 	buf[0] = 2.1;
  34. 	std::cout << buf[0] << std::endl;
  35.  
  36. 	return 0;
  37. }
Success #stdin #stdout 0.01s 5436KB
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https://ideone.com/HwV1Rj
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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