Usage
new_rintersect(
rschedules = list(),
rdates = new_date(),
exdates = new_date(),
...,
class = character()
)new_rsetdiff(
rschedules = list(),
rdates = new_date(),
exdates = new_date(),
...,
class = character()
)
new_runion(
rschedules = list(),
rdates = new_date(),
exdates = new_date(),
...,
class = character()
)