Bounds returns the lower and upper bounds of bucket number 'bucket'.

Bucket finds the number of the bucket that 'n' falls into out of 'buckets' buckets.

GetUUID gets the Carbon UUID of a request.

MarshalCtx ensures that outgoing HTTP requests have a Carbon UUID.

UUIDHandler is middleware that adds a Carbon UUID to all HTTP requests.

WithUUID ensures that a context has a Carbon UUID.