[R] hide body of function

[victor m]

I would like to hide the body of function, when the
user types the name of that function. 
For example, I've created "ff" function (cut/paste 
from R-plus session):
> ff<-function() {
a <- 5
}
#then, if the user types "ff"
> ff
function()           # This part is shown but I'd like
#  this body to be
#  hidden from the user, if possible.
{                        #
   a <- 5                #
}                        #
>

#Thanks.
Victor


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