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Dec 15th, 2018
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  1. fn main() {
  2. let values = vec![1, 2, 3, 4, 5, 6, 7];
  3. let mut values = values.into_iter().map(|v| (v, v+10)).collect::<Vec<_>>();
  4. values.sort_by_key(|(_, v)| *v);
  5. println!("{:?}", values);
  6. }
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