Borderou de evaluare (job #394419)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:40:26: error: no match for ‘operator=’ in ‘v2[pos] = {v[i]}’ user.cpp:40:26: note: candidates are: user.cpp:8:8: note: ab& ab::operator=(const ab&) user.cpp:8:8: note: no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const ab&’ user.cpp:8:8: note: ab& ab::operator=(ab&&) user.cpp:8:8: note: no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘ab&&’