Method getChild

contribs/qecode/Strategy.cc:134–137

}

Strategy Strategy::getChild(int i) {
	if (i<0 || i>=degree() ) {cout<<"Child "<<i<<" does not exist"<<endl;abort();}
	return imp->nodes[i];
}

Strategy Strategy::getSubStrategy(vector<int> position) {
	if (position.empty()) return *this;