Changed * to a + in list! macro
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@ -15,7 +15,7 @@ impl ListNode {
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macro_rules! list {
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() => { None };
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( $first:expr ) => { Some(Box::new(ListNode::new($first))) };
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( $first:expr, $($x:expr),* ) => {
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( $first:expr, $($x:expr),+ ) => {
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{
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let mut head = Box::new(ListNode::new($first));
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let mut tail = &mut head;
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