Displaying 3 results from an estimated 3 matches for "setaltclass".
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2019 Aug 12
1
ALTREP package interaction with testthat
...roblem in testthat while working with an ALTREP package.
The package name is AltWrapper. My ALTREP serialize function is called even
when I'm trying to serialize a non-ALTREP object. Here is an example
```
context("altrep")
length_func<-function(x){
return(length(x))
}
setAltClass(className = "test", classType = "real")
setAltMethod(className = "test", getLength = length_func)
testData = runif(10)
myAltrep = makeAltrep("test", testData)
test_that("Auto serialize", {
browser()
A = 10
A_serialized=serialize...
2019 Jul 18
0
ALTREP wrappers and factors
...o ALTREP object when creating the object and has a correct reference
number. The simplest example would be
*CODE*
```
library(AltWrapper)
inspectFunc <- function(x) cat("Altrep object\n")
lengthFunc <- function(x) return(length(x))
getPtrFunc <- function(x, writeable) return(x)
setAltClass(className = "test", classType = "real")
setAltMethod(className = "test", inspect = inspectFunc)
setAltMethod(className = "test", getLength = lengthFunc)
setAltMethod(className = "test", getDataptr = getPtrFunc)
A = runif(6)
A_alt = makeAltrep(class...
2019 Jul 17
2
ALTREP wrappers and factors
Hello,
I?m experimenting with ALTREP and was wondering if there is a preferred way to create an ALTREP wrapper vector without using .Internal(wrap_meta(?)), which R CMD check doesn?t like since it uses an .Internal() function.
I was trying to create a factor that used an ALTREP integer, but attempting to set the class and levels attributes always ended up duplicating and materializing the