Comments (3)
TheDan64
commented on June 18, 2024
I agree, I ran into this issue recently. I wanted to count the number of nodes in the arena and there doesn't seem to be a node-agnostic way of doing do. I expected to be able to do arena.iter().count(). Maybe iterating over the tree in some unspecified internal order isn't commonly useful, so having a len method on arena would at the very least be useful to my particular scenario.
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saschagrunert
commented on June 18, 2024
Alrighty, does #4 solve the problem for the certain use case?
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TheDan64
commented on June 18, 2024
For me, totally! Thanks!
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Related Issues (20)
- support no_std HOT 1
- Panic on semantic error, rather than returning error? HOT 3
- Prepend to the node with no children HOT 2
- Should insertions return `Result` type? HOT 4
- Problems around CI stuff HOT 2
- feature request: `remove_children` and `detach_children` HOT 5
- Clarify order of Descendants, Traverse, and ReverseTraverse HOT 2
- Easier access to underlying index HOT 4
- Iterate over Arena in Depth-first order HOT 4
- NodeId::remove_subtree does not remove the whole subtree sometimes HOT 1
- Iteratation through children first HOT 8
- Iterating over all nodes while modifying them HOT 1
- Suggestion: Panic when appending to node that has `self` node as child.
- Appending to tree in parallel HOT 1
- Add Arena::with_capacity HOT 1
- pretty print indextree HOT 1
- bug: `NodeStamp` does not work as expected when reusing nodes
- How to get a node based on NodeId's private index1: NonZeroUsize? HOT 1
- allow getting node using usize as an index.
- Why doesn't arena have a way to iterate over nodeids?
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