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2010 Nov 11
2
Adding meta-data when creating objects. e.g: changing "<-" so to (for example) add "creation time" - how-to and pros/cons?
My objective is to start having meta-data on objects that I create.
For example, consider the following function:
assign2 <- function(x, ...)
{
assign("x", ...)
attr(x, "creation time") <- Sys.time()
x <<- x
}
assign2("x", 1:4)
"assign2" assigns to x the vector 1:4, and it then also adds the creation
time of the object.
(Hat tip goes to