Method element_size

sql/mem_root_array.h:245–245

  size_t capacity()     const { return m_capacity; }
  size_t element_size() const { return sizeof(Element_type); }
  bool   empty()        const { return size() == 0; }
  size_t size()         const { return m_size; }
  const MEM_ROOT *mem_root() const { return m_root; }