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  1. #include <type_traits>
  2. #include <vector>
  3.  
  4. template <typename T>
  5. struct ReadOnlyIterator
  6. {
  7.     template <typename Container>
  8.     typename std::enable_if<std::is_same<T, typename Container::value_type>::value, ReadOnlyIterator<T>&>::type operator= (const Container &v) { return *this; }
  9. };
  10.  
  11. int main()
  12. {
  13.     ReadOnlyIterator<int> i;
  14.     std::vector<int> v;
  15.     std::vector<short> w;
  16.     i = v;
  17.     //i = w; //uncomment for error
  18. }
Success #stdin #stdout 0s 2892KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/X27Qo0
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

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