59. Absolute Value

How do you plan to solve it?

module abs8_func (
    input  signed [7:0] a,
    output       [7:0] abs
);
 function  [7:0]abs8;
 input signed [7:0]a; // ---------- Write function here----------
begin abs8= (a<0)?-a:a;
end
 endfunction 


    // Function called here
    assign abs = abs8(a);

endmodule