Any miscellaneous things to do before .robustDigest and after FUN call

Source: R/cache-helpers.R

The default method for preDigestByClass and simply returns NULL. There may be methods in other packages.

.preDigestByClass(object)

# S4 method for ANY
.preDigestByClass(object)

Arguments

object

Any R object.

Value

A list with elements that will likely be used in .postProcessing

Examples

a <- 1
.preDigestByClass(a) # returns NULL in the simple case here.
#> NULL