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github.com/QMHTMY/RustBook
/ peek_mut
Method
peek_mut
publication/code/chapter04/linked_list.rs:64–66 ·
view source on GitHub ↗
peek_mut 可改变值,是可变引用
(&mut self)
Source
from the content-addressed store, hash-verified
62
63
// peek_mut 可改变值,是可变引用
64
fn peek_mut(&mut self) -> Option<&mut T> {
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self.head.as_mut().map(|node| &mut node.elem )
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}
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// 以下是为链表实现的迭代功能
69
// into_iter: 链表改变,成为迭代器
Callers
1
basic_test
Function · 0.45
Calls
no outgoing calls
Tested by
no test coverage detected