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;   // ---------- Write function here----------
input signed [7:0]x;
begin
    abs8=(x<0)?-x:x;
end
endfunction // Function called here
    assign abs = abs8(a);

endmodule