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