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Description
recently i've come up with a "stateful prefix search" algorithm that allows fast prefix-based autocompletions from a pool of identifiers.
this algorithm should be fast enough to be responsive even on old devices.
this would provide a autocompletion popover with ~6 possibilites for identifiers.
these identifiers would be built from all crate names in the documentation workspace, all identifiers in the search index, and all rustdoc kind filters.