sander/rust-workshop-linkedlist
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mem::replace -> Option::take

Browse source
This commit is contained in:
Sander Hautvast 2022-02-14 12:57:41 +01:00
parent eca0964be5
commit beb5272b61
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/main.rs
View file

@ -29,13 +29,13 @@ impl <T> List<T> {
pub fn push(&mut self, elem: T) { pub fn push(&mut self, elem: T) {
let new_node = Node { let new_node = Node {
elem: elem, elem: elem,
next: std::mem::replace(&mut self.head, None), next: self.head.take(),
}; };
self.head = Some(Box::new(new_node)); self.head = Some(Box::new(new_node));
} }
pub fn pop(&mut self) -> Option<T> { pub fn pop(&mut self) -> Option<T> {
match std::mem::replace(&mut self.head, None) { match self.head.take() {
None => None, None => None,
Some(node) => { Some(node) => {
self.head = node.next; self.head = node.next;