Untitled

package main

import (
	"context"
	"fmt"
	"time"
)

// JobA - Determines if we should show premium offer based on premium status and location
func showPremiumOffer(isPremium bool, isNearby bool) bool {
	return !isPremium && isNearby // Show offer to non-premium users who are nearby
}

// JobB - Checks if user has premium subscription
func isUserPremium(userID string) bool {
	time.Sleep(time.Second) // Simulate API call
	return false
}

// JobC - Checks if user is within 2 miles radius
func isUserIn2Miles(userID string) bool {
	time.Sleep(time.Second) // Simulate geolocation check
	return true
}

// JobD - Gets current user ID
func currentUser() string {
	time.Sleep(time.Second) // Simulate auth check
	return "user123"
}

func main() {
	ctx := context.Background()
	
	// Define jobs, dependencies and compute.
	// Your implementation goes here:
	// - showPremiumOffer depends on isUserPremium and isUserIn2Miles
	// - both isUserPremium and isUserIn2Miles depend on currentUser
}