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  1. use std::cmp::Ordering;
  2. use std::fmt::Debug;
  3. trait Bubble<T> {
  4.     fn bsort_by<F>(&mut self, compare: F) where F: Fn(&T, &T) -> Ordering;
  5.     fn bsort(&mut self) where T: Ord;
  6. }
  7. impl<T> Bubble<T> for Vec<T> {
  8.     fn bsort_by<F>(&mut self, compare: F) where F: Fn(&T, &T) -> Ordering {
  9.         for i in 0..self.len() {
  10.             for j in (i + 1..self.len()).rev() {
  11.                 if compare(&self[j - 1], &self[j]) == Ordering::Greater {
  12.                     self.swap(j - 1, j);
  13.                 }
  14.             }
  15.         }
  16.     }
  17.     fn bsort(&mut self) where T: Ord {
  18.         self.bsort_by(|a, b| a.cmp(b));
  19.     }
  20. }
  21. fn p<T: Debug>(x: &T) {
  22.     println!("{:?}", x);
  23. }
  24. fn f432<T: Debug + Ord>(v: &mut Vec<T>) {
  25.     p(v); v.bsort(); p(v);
  26. }
  27. fn main() {
  28.     f432(&mut vec![3, 2, 1, 0]);
  29.     f432(&mut vec!['z', 'y', 'x', 'w']);
  30. }
Success #stdin #stdout 0s 11032KB
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stdin
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Standard input is empty
stdout
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[3, 2, 1, 0]
[0, 1, 2, 3]
['z', 'y', 'x', 'w']
['w', 'x', 'y', 'z']
https://ideone.com/gOLw6K
language:
Rust (rust 1.56)
created:
9 years ago
visibility:
public

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