@brief Constructor of the context wrapper object

@brief Factory method for creating a range from zero

@brief Factory method for creating a range from zero

@brief Constructor, taking the buffer

@brief Constructor passing along.

@brief Constructor passing along to both base classes.

@brief Factory method for creating a single-value range

@brief Constructor

@brief Constructor

@brief Constructor

Yes, I know these are all static (compile-time) tests, but using the gtest structure to split them into logical units.

@brief Explicit constructor from string literal in subclass, starting region.

@brief Constructor

Default constructor which will set m_val to the empty/invalid value.

@brief noncopyable