R Under development (unstable) (2024-05-11 r86532 ucrt) -- "Unsuffered Consequences"
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> 
> library(RApiSerialize)
> 
> data(trees)
> fit <- lm(log(Girth) ~ log(Volume) + log(Height), trees)
> 
> ## serialize and use R's unserialize
> identical(unserialize(serializeToRaw(fit)), fit)
[1] TRUE
> identical(unserialize(serializeToRaw(fit,2)), fit)
[1] TRUE
> identical(unserialize(serializeToRaw(fit,3)), fit)
[1] TRUE
> ## serialize and use our unserialize
> identical(unserializeFromRaw(serializeToRaw(fit)), fit)
[1] TRUE
> identical(unserializeFromRaw(serializeToRaw(fit,2)), fit)
[1] TRUE
> identical(unserializeFromRaw(serializeToRaw(fit,3)), fit)
[1] TRUE
> ## R's serialize and our unserialize
> identical(unserializeFromRaw(serialize(fit, NULL)), fit)
[1] TRUE
> ## R's serialize and R's unserialize (doh)
> identical(unserialize(serialize(fit, NULL)), fit)
[1] TRUE
> ## serialize and use our unserialize, no xdr
> identical(unserializeFromRaw(serializeToRaw(fit,2,TRUE)), fit)
[1] TRUE
> identical(unserializeFromRaw(serializeToRaw(fit,3,TRUE)), fit)
[1] TRUE
> identical(unserializeFromRaw(serializeToRaw(fit,2,FALSE)), fit)
[1] TRUE
> identical(unserializeFromRaw(serializeToRaw(fit,3,FALSE)), fit)
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.17    0.06    0.23