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.
This is a primitive function.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
withVisible
,
return
,
function
.
# These functions both return their argument f1 <- function(x) x f2 <- function(x) invisible(x) f1(1) # prints f2(1) # does not