obj_addr | R Documentation |
obj_addr()
gives the address of the value that x
points to;
obj_addrs()
gives the address of the components the list,
environment, and character vector x
point to.
obj_addr(x)
obj_addrs(x)
x |
An object |
obj_addr()
has been written in such away that it avoids taking
references to an object.
# R creates copies lazily
x <- 1:10
y <- x
obj_addr(x) == obj_addr(y)
y[1] <- 2L
obj_addr(x) == obj_addr(y)
y <- runif(10)
obj_addr(y)
z <- list(y, y)
obj_addrs(z)
y[2] <- 1.0
obj_addrs(z)
obj_addr(y)
# The address of an object is different every time you create it:
obj_addr(1:10)
obj_addr(1:10)
obj_addr(1:10)
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