types

BSD-3-Clause, GPL-2.0

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The data-structures library

Copyright (C) 2013-2017 Tim Henderson (tim.tadh@gmail.com)
  Case Western Reserve University, Cleveland, Ohio
  Google Inc.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.



Copyright (C) 2009 The Go Authors (for portions of rand/)
  This portion is used under the terms of the Go license:
  https://github.com/golang/go/blob/master/LICENSE
  (which is a BSD 3-clause license copied below)

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:

     * Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.
     * Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the following
  disclaimer in the documentation and/or other materials provided with
  the distribution.
     * Neither the name of Google Inc. nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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