EscalateErrHandler wraps another handler and passes all records through unchanged except if the logged context contains a non-nil error value in its context.

FatalHandler makes critical errors exit the program immediately, much like the log.Fatal* methods from the standard log package.

HotSwapHandler wraps another handler that may swapped out dynamically at runtime in a thread-safe fashion.

RandId creates a random identifier of the requested length.

SpeculativeHandler is a handler for speculative logging.