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tree: allow exiting empty containers

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This commit is contained in:
Noah Hellman 2023-01-26 20:16:05 +01:00
parent 46fcb17108
commit 99f10fda4c
1 changed files with 4 additions and 2 deletions
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6
src/tree.rs
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@ -209,8 +209,10 @@ impl<C: std::fmt::Debug, A: std::fmt::Debug> Builder<C, A> {
pub(super) fn exit(&mut self) {
self.depth -= 1;
if self.head.is_some() {
self.head = None;
if let Some(head) = self.head.take() {
if matches!(self.nodes[head.index()].kind, NodeKind::Container(..)) {
self.branch.push(head);
}
} else {
let last = self.branch.pop();
assert_ne!(last, None);