Possible Duplicate:
Best way to turn a Lists of Eithers into an Either of Lists?
How to reduce a Seq[Either[A,B]] to a Either[Seq[A],Seq[B]]
In Scala, what is an idiomatic way to convert from
from:
Seq[Either[Seq[String], ResearchId]]
to:
Either[Seq[String], Seq[ResearchId]]