setting print formats per col?

[Quafadas]

Currently, we ewither get a toString, or we need to manipate strings ourselves;

def typedCols = data
    .mapColumn["Inception Date", LocalDate](dateStr => LocalDate.parse(dateStr, dtf))
    .mapColumn["ROL", String](_.toDouble.formatAsPercentage)

Which forces you to either shed the type information or accept default formatting.

Proposal: would be to accept a NamedTuple which is a subset of the current NamedTuple, but contains a [A => String] in the printing functions

Pseudocode ?

val formatter = (
 ROL = ((rol: Double) => rol.formatAsPercentage)
)

typedCols.toSeq.ptbln(formatter)

[Quafadas]

Other options include punting this in it's entirety into userland and suggesting they look at something like cats.Show https://typelevel.org/cats/typeclasses/show.html

[Quafadas]

transparent traits? Perhaps?