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  1. use std::cmp::Ordering::*;
  2.  
  3. type Link<T> = Option<Box<Node<T>>>;
  4.  
  5. #[derive(Debug)]
  6. struct Node<T: Ord> {
  7.     value: T,
  8.     right: Link<T>,
  9.     left: Link<T>,
  10. }
  11.  
  12. impl<T: Ord> Node<T> {
  13.     fn new(value: T) -> Self {
  14.         Node {
  15.             value: value,
  16.             right: None,
  17.             left: None
  18.         }
  19.     }
  20.     fn add(&mut self, value: T) {
  21.         let mut next;
  22.         match self.value.cmp(&value) {
  23.             Less => {
  24.                 next = &mut self.left;
  25.             },
  26.             Greater => {
  27.                 next = &mut self.right;
  28.             },
  29.             Equal => {panic!()}
  30.         }
  31.         if next.is_some() {
  32.             //src/lib.rs:32:13: 32:17 error: cannot move out of borrowed content
  33.             //src/lib.rs:32             next.unwrap().add(value);
  34.             //                          ^~~~
  35.             next.unwrap().add(value);
  36.         }
  37.         else {
  38.             *next = Some(Box::new(Node::new(value)));
  39.         }
  40.     }
  41. }
  42.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
error: main function not found
error: aborting due to previous error
stdout
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Standard output is empty
https://ideone.com/YDVpSG
language:
Rust (rust 1.56)
created:
8 years ago
visibility:
secret

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