operator0.cc

2007年机器人足球世界杯3D仿真组亚军

#include "predicate.ih"

namespace bats {

  ostream &operator<<(ostream &_os, Predicate const &_pred)
  {
    if (_pred.isLeave())
      _os << _pred.value;
    else {
      _os << "(" << _pred.value;;

      if (!_pred.isList() && !_pred.isLeave())
	_os << " ";

      for (Predicate::Children::const_iterator i = _pred.children.begin();
	   i != _pred.children.end(); ++i)
	_os << (i != _pred.children.begin()?" ":"") << **i;

      _os << ")";
    
    }
    return _os;
  }

}