src/commons/streams.h

#ifndef COMMONS_STREAMS_H
#define COMMONS_STREAMS_H

#include <ostream>
#include <vector>

namespace commons {

  using namespace std;

  // Pretty-prints a vector of ostreamables.
  template <typename T>
  ostream& operator<<(ostream& out, const vector<T> &v) {
      out << "[";
      if (!v.empty()) {
          for (typename vector<T>::size_type i = 0; i < v.size() - 1; i++)
              out << v[i] << ", ";
          out << v.back();
      }
      return out << "]";
  }
}

#endif

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