| invisible {base} | R Documentation |
Return a (temporarily) invisible copy of an object.
invisible(x)
x |
an arbitrary R object. |
This function can be useful when it is desired to have functions return values which can be assigned, but which do not print when they are not assigned.
# These functions both return their argument f1 <- function(x) x f2 <- function(x) invisible(x) f1(1)# prints f2(1)# does not