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View Code? Open in Web Editor NEWRust bitmapped vector trie
License: Other
Rust bitmapped vector trie
License: Other
BorrowSync requires individual caches.
BorrowSplit requires:
New function set_immut()
that clones the parent nodes all the way to the root.
Optimizations: lazily create parent nodes on demand. This would require the path cache to be back-tracking rather than 100% ignored on a miss.
Similar to Python's dict.get_default()
&T
or &mut T
just as a Vec
or a slice, but similarly, they will panic on accessing an invalid index.But Vec
and slices are contiguous and the validity of an index is highly predictable. In the Trie
, seeing it as a sparse form of a Vec
, the validity of the index is highly unpredictable, making a panic very probable. This doesn't seem useful.
The accessors get()
and get_mut()
are much more practical.
unwrap()
should be replaced with expect(message)
to give clear error messages on panic.Signature from Vec: fn retain<F>(&mut self, f: F) where F: FnMut(&T) -> bool
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