text: 
  // MIT License
  //
  // Copyright (c) 2018 degski
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  
  #pragma once
  
  #include <cstdint>
  #include <boost/uuid/uuid.hpp>
  
  using index_t = std::int32_t;
  using UserId = boost::uuids::uuid;
  using ZobristHash = std::size_t;
  
  enum class Screen : std::int32_t { SMALL, MEDIUM, LARGE };
  
  #include <pector/pector.h>
  #include <pector/malloc_allocator.h>
  
  template<typename T>
  using pector = pt::pector<T, pt::malloc_allocator<T, true, true>, std::uint32_t, pt::default_recommended_size, false>;
  