list
Takes a list of plans and turns it into a single plan that represents the list of their values.
Usage:
const $abcTuple = list([$a, $b, $c]);
A ListStep has the following methods:
.at(index)- gets the value atindex($abcTuple.at(1)returns$b)..first()- returns the first value in the list ($abcTuple.first()returns$a)..last()- returns the last value in the list ($abcTuple.last()returns$c).