R Under development (unstable) (2023-11-20 r85569 ucrt) -- "Unsuffered Consequences"
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> library(animint2)
> gg <- ggplot(faithfuld, aes(x = waiting, y = eruptions, z = density)) +
+     geom_contour()
> print(gg)
> if(requireNamespace("ggplot2")){
+     print(gg)
+ }
Loading required namespace: ggplot2
> 
> proc.time()
   user  system elapsed 
   1.15    0.18    1.34