R Under development (unstable) (2024-07-28 r86931 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> message("*** unload() ...")
*** unload() ...
> 
> loadNamespace("startup")
<environment: namespace:startup>
> startup:::unload()
> stopifnot(!"startup" %in% loadedNamespaces())
> 
> message("*** unload() ... DONE")
*** unload() ... DONE
> 
> proc.time()
   user  system elapsed 
   0.12    0.06    0.15