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feat: update rust solution to lc problem: No.0206 (doocs#1664)

No.0206.Reverse Linked List

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+21

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+21

-39

lines changed

Lines changed: 7 additions & 13 deletions

Original file line number	Diff line number	Diff line change
`@@ -394,20 +394,14 @@ function reverseList(head: ListNode \| null): ListNode \| null {`
`394`	`394`	`// }`
`395`	`395`	`impl Solution {`
`396`	`396`	`pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {`
`397`		`- match head {`
`398`		`- None => None,`
`399`		`- Some(mut head) => {`
`400`		`- let mut cur = head.next.take();`
`401`		`- let mut pre = Some(head);`
`402`		`- while let Some(mut node) = cur {`
`403`		`- let next = node.next.take();`
`404`		`- node.next = pre;`
`405`		`- pre = Some(node);`
`406`		`- cur = next;`
`407`		`- }`
`408`		`- pre`
`409`		`- }`
	`397`	`+ let mut head = head;`
	`398`	`+ let mut pre = None;`
	`399`	`+ while let Some(mut node) = head {`
	`400`	`+ head = node.next.take();`
	`401`	`+ node.next = pre.take();`
	`402`	`+ pre = Some(node);`
`410`	`403`	`}`
	`404`	`+ pre`
`411`	`405`	`}`
`412`	`406`	`}`
`413`	`407`	```

Lines changed: 7 additions & 13 deletions

Original file line number	Diff line number	Diff line change
`@@ -373,20 +373,14 @@ Loop:`
`373`	`373`	`// }`
`374`	`374`	`impl Solution {`
`375`	`375`	`pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {`
`376`		`- match head {`
`377`		`- None => None,`
`378`		`- Some(mut head) => {`
`379`		`- let mut cur = head.next.take();`
`380`		`- let mut pre = Some(head);`
`381`		`- while let Some(mut node) = cur {`
`382`		`- let next = node.next.take();`
`383`		`- node.next = pre;`
`384`		`- pre = Some(node);`
`385`		`- cur = next;`
`386`		`- }`
`387`		`- pre`
`388`		`- }`
	`376`	`+ let mut head = head;`
	`377`	`+ let mut pre = None;`
	`378`	`+ while let Some(mut node) = head {`
	`379`	`+ head = node.next.take();`
	`380`	`+ node.next = pre.take();`
	`381`	`+ pre = Some(node);`
`389`	`382`	`}`
	`383`	`+ pre`
`390`	`384`	`}`
`391`	`385`	`}`
`392`	`386`	```

Lines changed: 7 additions & 13 deletions

Original file line number	Diff line number	Diff line change
`@@ -16,19 +16,13 @@`
`16`	`16`	`// }`
`17`	`17`	`impl Solution {`
`18`	`18`	`pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {`
`19`		`- match head {`
`20`		`- None => None,`
`21`		`- Some(mut head) => {`
`22`		`- let mut cur = head.next.take();`
`23`		`- let mut pre = Some(head);`
`24`		`- while let Some(mut node) = cur {`
`25`		`- let next = node.next.take();`
`26`		`- node.next = pre;`
`27`		`- pre = Some(node);`
`28`		`- cur = next;`
`29`		`- }`
`30`		`- pre`
`31`		`- }`
	`19`	`+ let mut head = head;`
	`20`	`+ let mut pre = None;`
	`21`	`+ while let Some(mut node) = head {`
	`22`	`+ head = node.next.take();`
	`23`	`+ node.next = pre.take();`
	`24`	`+ pre = Some(node);`
`32`	`25`	`}`
	`26`	`+ pre`
`33`	`27`	`}`
`34`	`28`	`}`

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