A call's outcome as JournalError holds it: what the call would have given its caller (its value: the answer for fn(x), the Prediction for fn.predict(x)), or its error.
JournalError
fn(x)
Prediction
fn.predict(x)
A call's outcome as
JournalErrorholds it: what the call would have given its caller (its value: the answer forfn(x), thePredictionforfn.predict(x)), or its error.