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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/brandtbucher/cpython/blob/d5f32da3227f90ee9f95c8be2dc0ab930625815a/Grammar/python.gram#L236
C++ has unpacking but this is actually separate from pattern matching. There was a proposal for pattern matching using inspect since revised and expanded upon which at the point of C++17...is a necessity but I do not believe it has been accepted yet (hopefully will be by C++23).
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