reservable_priority_queue.h

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/*
 * Copyright (c) 2014-2017, the neonavigation authors
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#ifndef PLANNER_CSPACE_RESERVABLE_PRIORITY_QUEUE_H
#define PLANNER_CSPACE_RESERVABLE_PRIORITY_QUEUE_H

#include <queue>

namespace planner_cspace
{
template <class T>
class reservable_priority_queue : public std::priority_queue<T>
{
public:
  typedef typename std::priority_queue<T>::size_type size_type;
  explicit reservable_priority_queue(const size_type capacity = 0)
  {
    reserve(capacity);
  }
  void reserve(const size_type capacity)
  {
    this->c.reserve(capacity);
  }
  size_type capacity() const
  {
    return this->c.capacity();
  }
  void clear()
  {
    this->c.clear();
  }
  void pop_back()
  {
    this->c.pop_back();
  }
};
}  // namespace planner_cspace

#endif  // PLANNER_CSPACE_RESERVABLE_PRIORITY_QUEUE_H