Matt Joras e903f277da Introduce OptionalIntegral and OptionalMicros ...

Summary: We have a lot of optionals that are either integral values or std::chrono::microseconds. These end up wasting memory, where we can instead store sentinel values to encode whether the value is there or not. This reduces the effective range of the type by one value, but that is an acceptable tradeoff.

Reviewed By: kvtsoy

Differential Revision: D57684368

fbshipit-source-id: b406b86011f9b8169b6e5e925265f4829928cc63

2024-06-11 11:02:02 -07:00

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