S4 Definition for data.table
data.table-class.Rd
A data.table
can be used in S4 class definitions as either
a parent class (inside a contains
argument of setClass
),
or as an element of an S4 slot.
Examples
## Used in inheritance.
setClass('SuperDataTable', contains='data.table')
## Used in a slot
setClass('Something', representation(x='character', dt='data.table'))
x <- new("Something", x='check', dt=data.table(a=1:10, b=11:20))