#include "omt.h" typedef struct txnid_set { OMT ids; // private: set of ids } txnid_set; void txnid_set_init(txnid_set *txnids); void txnid_set_destroy(txnid_set *txnids); // Return true if the given transaction id is a member of the set. // Otherwise, return false. bool txnid_set_is_member(txnid_set *txnids, TXNID id); // Add a given id to the set of ids. void txnid_set_add(txnid_set *txnids, TXNID id); // Delete a given id from the set. void txnid_set_delete(txnid_set *txnids, TXNID id); // Return the number of id's in the set size_t txnid_set_size(txnid_set *txnids); // Get the ith id in the set, assuming that the set is sorted. TXNID txnid_set_get(txnid_set *txnids, size_t ith);