A general mechanism for defining how a command line argument
(always a String) is transformed into an arbitrary type. A few
example instances are in the companion object, but in general
either IntFromString will suffice or you'll want custom transformers.
A general mechanism for defining how a command line argument (always a String) is transformed into an arbitrary type. A few example instances are in the companion object, but in general either IntFromString will suffice or you'll want custom transformers.