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@ -18,9 +18,13 @@ enum BreadcrumbTreeNodeElement<'a, C: IntoContextElement> {
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}
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impl<'a, C: IntoContextElement> BreadcrumbTreeNode<'a, C> {
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pub fn iter(&'a self) -> IceTreeIterator<'a> {
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pub fn ice_iter(&'a self) -> IceTreeIterator<'a> {
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IceTreeIterator(Some(self))
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}
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pub fn breadcrumb_iter(&'a self) -> BreadcrumbTreeIterator<'a> {
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BreadcrumbTreeIterator(Some(self))
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}
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}
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impl<'a, C: IntoContextElement> Borrow<dyn IntoContextElement + 'a>
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@ -57,10 +61,22 @@ impl<'a> Iterator for IceTreeIterator<'a> {
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}
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impl<'a, C: IntoContextElement> IntoIterator for &'a BreadcrumbTreeNode<'a, C> {
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type Item = &'a dyn IntoContextElement;
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type IntoIter = IceTreeIterator<'a>;
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type Item = &'a dyn BreadcrumbTree;
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type IntoIter = BreadcrumbTreeIterator<'a>;
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fn into_iter(self) -> BreadcrumbTreeIterator<'a> {
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self.breadcrumb_iter()
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}
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}
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fn into_iter(self) -> IceTreeIterator<'a> {
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self.iter()
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pub struct BreadcrumbTreeIterator<'a>(Option<&'a dyn BreadcrumbTree>);
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impl<'a> Iterator for BreadcrumbTreeIterator<'a> {
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type Item = &'a dyn BreadcrumbTree;
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fn next(&mut self) -> Option<Self::Item> {
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let ret = self.0;
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self.0 = self.0.map(|node| node.get_parent()).flatten();
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ret
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}
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}
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