Answers for "what is "<<" in cpp"

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<< in c++

template<typename T>
std::ostream & operator << (std::ostream & out, const std::vector<T> & v)
{
      for(size_t i = 0 ; i < v.size(); i++ )
         out << v[i] << std::endl;
      return out;
}
Posted by: Guest on February-22-2021

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