R Under development (unstable) (2025-10-02 r88897 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> 
> library(xptr)
> 
> a <- new_xptr("0xdeadbeef")
> is_xptr(a)
[1] TRUE
> is.character(xptr_address(a))
[1] TRUE
> is.character(xptr_address(a, FALSE))
[1] TRUE
> 
> b <- new_xptr("0x11223344")
> is_xptr(b)
[1] TRUE
> is.character(xptr_address(b))
[1] TRUE
> is.character(xptr_address(b, FALSE))
[1] TRUE
> 
> xptr_clear(b)
> is_null_xptr(b)
[1] TRUE
> 
> set_xptr_address(b, xptr_address(a))
> is.character(xptr_address(b))
[1] TRUE
> is.character(xptr_address(b, FALSE))
[1] TRUE
> 
> xptr_clear(a)
> xptr_clear(b)
> 
> a <- new_xptr("0x11223344")
> b <- new_xptr("0x11223344", a)
> is_xptr(a)
[1] TRUE
> is_xptr(b)
[1] TRUE
> 
> n <- xptr_tag(b)
> is_xptr(n)
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.12    0.03    0.14