Span.h

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#ifndef joedb_Span_declared
#define joedb_Span_declared
 
#include "joedb/error/assert.h"
 
#include <stddef.h>
 
namespace joedb
{
 ////////////////////////////////////////////////////////////////////////////
 template<typename T> class Span
 ////////////////////////////////////////////////////////////////////////////
 {
  private:
   T *p;
   size_t size;
 
  public:
   Span(T *p, size_t size): p(p), size(size)
   {
   }
 
   T &operator[](size_t i)
   {
    JOEDB_ASSERT(i < size);
    return p[i];
   }
 
   const T &operator[](size_t i) const
   {
    JOEDB_ASSERT(i < size);
    return p[i];
   }
 
   size_t get_size() const
   {
    return size;
   }
 
   T *begin()
   {
    return p;
   }
 
   T *end()
   {
    return p + size;
   }
 
   const T *begin() const
   {
    return p;
   }
 
   const T *end() const
   {
    return p + size;
   }
 };
}
 
#endif