verilator/examples/json_py/sub.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2019 Wilson Snyder
// SPDX-License-Identifier: CC0-1.0
// ======================================================================

module sub #(
    parameter type TYPE_t = logic
) (
    input TYPE_t in,
    output TYPE_t out
);

  // Some simple logic
  always_comb out = ~in;

endmodule