fork download

copy

#include <utility>
#include <memory>
 
struct object {
  ~object() {}
  object() {}
  object(int) {}
  object(object const&) {}
  object(object&&) {}
 
  template <typename T>
  object& operator=(T&& from) {
    // ...
    return *this;
  }
};
 
 
int main() {
  object o;
  object const p;
  o = p;
  return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:22:7: error: use of deleted function ‘constexpr object& object::operator=(const object&)’
   o = p;
       ^
prog.cpp:4:8: note: ‘constexpr object& object::operator=(const object&)’ is implicitly declared as deleted because ‘object’ declares a move constructor or move assignment operator
 struct object {
        ^~~~~~

Standard output is empty