Method custom_buffer_t

dev/sample/custom_buffer/main.cpp:8–13

{
	public:
		custom_buffer_t(
			std::unique_ptr< char[] > buf,
			std::size_t buf_size )
			:	m_buf{ std::move( buf ) }
			,	m_buf_size{ buf_size }
		{}

		// No copy, only moves.
		custom_buffer_t( const custom_buffer_t & ) = delete;