* Sets a promise to explore meeting with the given node.
* @param i is the promise index.
*/
-void Node::set_promise(uint32_t i) {
+void Node::set_promise(unsigned int i) {
if (i>=promises.size())
promises.resize(i+1,0);
promises[i]=1;
* @param i The promise index.
* @return true if the promise should be satisfied by the given model action.
*/
-bool Node::get_promise(uint32_t i) {
+bool Node::get_promise(unsigned int i) {
return (i<promises.size())&&(promises[i]==2);
}