// SPDX-License-Identifier: MIT
`timescale 1ns/1ps
module tb;
  logic signed [7:0] s; logic [7:0] u;
  initial begin
    s=-3; u=4; #1; $display("OBS mixed_less=%0d cast_less=%0d",s<u,$signed(s)<$signed(u));
    $finish;
  end
endmodule