{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"///"}]}
/// `get_missing` benchmark is ~30ns rather than ~900ns, and being a good deal faster after that, so
/// randomly-distributed bits. It works well for `TypeId` (eliminating start-up time, so that my
/// that my `insert_and_get_on_260_types` benchmark is ~12μs instead of ~21.5μs), but will