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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.
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is_constant_evaluated, specifically, is needed because compiler intrinsics are often not constexpr, so we need a way to say "in a runtime context, use this intrinsic, and in a constexpr context, use this fallback C++ code" (example), which would obviously be unnecessary if all compiler intrinsics were constexpr to begin with. (There's also the matter of inline assembly in e.g. memset, but this is mostly avoidable by making memset an intrinsic.)
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