scalaz/scalaz — comment on commit 76f647ee8ebbb7cc0429447d027dcfb737f7247c
File: iteratee/src/main/scala/scalaz/iteratee/StepT.scala line 8
By nuttycom:

Is your concern that passing this information through the error channel of the iteratee might be confusing? The enumerator can fix the type of X to something it can use as a control signal; the fact that it's labeled as an error is just because that's its most common use case.