dvector.h

/**
 *  dvector.h
 *
 *  #include "dvector.h"
 *
 *  then std::vector::operator[] seems to become checking the range of index.
 *
 *  If you aren't using default allocator, I think it may not work.
 *
 */

#ifndef _DVECTOR_H
#define _DVECTOR_H

#include <vector>

namespace std {
    template<typename T>
    class dvector : public std::vector<T>
    {
    public:
        dvector() : std::vector<T>() {}
        explicit dvector(size_t n, const T& value = T()) : std::vector<T>(n,value) {}
        dvector(const std::vector<T>& v) : std::vector<T>(v) {}
        T& operator[](size_t n)
        {
            return this->at(n);
        }
    };
};
#define vector dvector

#endif /* _DVECTOR_H */