entity inline_17a is end entity inline_17a; ---------------------------------------------------------------- library ieee; use ieee.electrical_systems.all; architecture test of inline_17a is -- code from book: nature electrical_bus is record strobe : electrical; bus_lines : electrical_vector(0 to 15); end record electrical_bus; terminal address_bus, data_bus : electrical_bus; quantity data_voltages across data_currents through data_bus; -- end of code from book begin end architecture test;