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Jul 18th, 2018
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  1. fn main() {
  2. let a = vec!["a".to_string(),"b".to_string(),"c".to_string()];
  3. let b:Vec<String> = a.iter().map(|x:&String| {
  4. let mut s: String = x.clone();
  5. s.push_str("haha");
  6. s
  7. }).collect();
  8. println!("{:?}",b);
  9. }
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