RosettaCodeData/Task/Search-a-list/Rust/search-a-list-2.rust

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fn main() {
let haystack=vec!["Zig", "Zag", "Wally", "Ronald", "Bush", "Krusty", "Charlie",
"Bush", "Boz", "Zag"];
println!("First occurence of 'Bush' at {:?}",haystack.iter().position(|s| *s=="Bush").unwrap());
println!("Last occurence of 'Bush' at {:?}",haystack.iter().rposition(|s| *s=="Bush").unwrap());
println!("First occurence of 'Rob' at {:?}",haystack.iter().position(|s| *s=="Rob").unwrap());
}