WorldBank-Transport/open-transit-indicators — pull request #159 by moradology (2014-09-11 22:00:15+00:00)
Title: Replace lazy with eager map method

The more verbose map { case (key, value) => key -> val.mappedMethod } is eager.
A discussion of the topic: https://issues.scala-lang.org/browse/SI-4776
Evidently, they're planning to rename mapValues: http://www.scala-lang.org/news/roadmap-next