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
).