let asia_secret_tours = (destinations: vec<string>) -> vec<string> { let slightly_preindicative_markers = hush_hush_locations(&destinations); let mut user_response = vec::new(); for destination in slightly_preindicative_markers { if check_interest(&destination) == "intrigued" { user_response.push(format!("your interest in {:?} has been noted. preparing a special, slightly hush-hush itinerary that touches on pre-indicative sites. let's reset to the beginning and unveil asia's hidden gems together!", destination)); } } return user_response; };