OpenSTA/util/Iterator.hh

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2019, Parallax Software, 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 3 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, see <https://www.gnu.org/licenses/>.

#ifndef STA_ITERATOR_H
#define STA_ITERATOR_H

namespace sta {

// Java style container iterator.
//  Iterator<Object*> iter(container);
//  while (iter.hasNext()) {
//    Object *obj = iter.next();
//  }
template <class OBJ>
class Iterator
{
public:
  virtual ~Iterator() {}
  virtual bool hasNext() = 0;
  virtual OBJ next() = 0;
};

} // namespace
#endif