testbed/cocotb__cocotb/examples/doc_examples/quickstart/my_design.sv

// This file is public domain, it can be freely copied without restrictions.
// SPDX-License-Identifier: CC0-1.0

module my_design(input logic clk);

  timeunit 1ns;
  timeprecision 1ns;

  logic my_signal_1;
  logic my_signal_2;

  assign my_signal_1 = 1'bx;
  assign my_signal_2 = 0;

endmodule