.robustDigest and after FUN callR/cache-helpers.R
preDigestByClass.RdThe default method for preDigestByClass and simply returns NULL.
There may be methods in other packages.
.preDigestByClass(object)
# S4 method for ANY
.preDigestByClass(object)Any R object.
A list with elements that will likely be used in .postProcessing
a <- 1
.preDigestByClass(a) # returns NULL in the simple case here.
#> NULL