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library ieee;
use ieee.std_logic_1164.all;
entity rec1 is
port (a : out std_logic;
b : std_logic_vector(7 downto 0));
end;
architecture behav of rec1 is
type my_rec is record
a : std_logic;
b : std_logic;
end record;
signal s : my_rec;
begin
s.b <= s.a;
a <= s.b;
s.a <= '1' when b /= x"00" else '0';
s.b <= '0';
end behav;
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