Method remove_multi

publication/code/chapter10/conshash.rs:69–75

批量删除结点

(&mut self, nodes: &[T])

    // 批量删除结点
    fn remove_multi(&mut self, nodes: &[T]) {
        if !nodes.is_empty() {
            for node in nodes.iter() {
                self.remove(node);
            }
        }
    }

    // 删除一个结点
    fn remove(&mut self, node: &T) {