ArrayView.hpp

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#ifndef TATAMI_ARRAY_VIEW_HPP
#define TATAMI_ARRAY_VIEW_HPP
 
#include <cstddef>
 
namespace tatami {
 
template<typename T>
class ArrayView {
public:
    ArrayView(const T* ptr, std::size_t number) : my_ptr(ptr), my_number(number) {}
 
    ArrayView() : ArrayView(NULL, 0) {}
 
    std::size_t size() const { return my_number; }
 
    const T* data() const { return my_ptr; }
 
    const T* begin() const { return my_ptr; }
 
    const T* end() const { return my_ptr + my_number; }
 
    T operator[](std::size_t i) const {
        return my_ptr[i];
    }
 
private:
    const T* my_ptr;
    std::size_t my_number;
};
 
}
 
#endif