Requirements for a DataContainerHolder.

A contiguous data holder is some class which stores or points to some data contiguous in memory as a public or protected member TContainer m_container, and implements the following methods:

• Default, copy and move constructors;
• Constructor from a size;
• Constructor from an iterator pair;
• Implicit constructor from an initialization list;
• size_type size() const;
• inline const T* data() const.