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- fn main() {
- let a = vec!["a".to_string(),"b".to_string(),"c".to_string()];
- let b:Vec<String> = a.iter().map(|x:&String| {
- let mut s: String = x.clone();
- s.push_str("haha");
- s
- }).collect();
- println!("{:?}",b);
- }
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