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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.
if you use without ByRef, there is no compiler warning, even though it has no effect
Having the ability to have "immutable reference types" would be a different feature (which is mostly closely https://github.com/dotnet/csharplang/issues/3885).
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