| So I asked ai to make a datalog implementation in JavaScript. // In-memory storage for voted users
const votedUsers = new Set(); // Datalog-like rules
function eligible_to_vote(user) {
return isUserOldEnough(user) && isCanadianCitizen(user);
} function voted(user, bill) {
return votedUsers.has(`${user}_${bill}`);
} // Custom rules
function isUserOldEnough(user) {
// Assuming age is stored in user object
return user.age >= 18;
} function isCanadianCitizen(user) {
// Assuming citizenship information is stored in user object
return user.citizenship === 'Canada';
} function recordVote(user, bill) {
// Record that the user has voted on the specified bill
votedUsers.add(`${user}_${bill}`);
} // Example usage
const user = {
name: "user123",
age: 25,
citizenship: "Canada",
}; const bill = "bill456"; if (eligible_to_vote(user)) {
console.log("User is eligible to vote."); if (!voted(user.name, bill)) {
console.log("User can vote on this bill.");
// Implement further logic for voting...
// Record the vote
recordVote(user.name, bill);
} else {
console.log("User has already voted on this bill.");
}
} else {
console.log("User is not eligible to vote.");
} |