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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
https://github.com/rust-phf/rust-phf comes to mind.
It's not merged yet: https://github.com/rust-lang/rust/pull/97791
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