Can't load 'R.oo' package - about fastr HOT 3 CLOSED

Hello Ken,

thanks for the report. I can confirm that FastR indeed doesn't implement pos.to.env and we will get that fixed.

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Thanks, Steve.

I should also say that somehow after doing various other stuff in my session, that command pkgname <- 'R.oo'; pkg <- get(pkgname, envir = getNamespace(pkgname)) actually started running without error (though I don't know whether it actually succeeded), not sure what's going on there. When I restarted the session it went back to the failure behavior.

from fastr.

Hi Ken,

pos.to.env is implemented and we've also fixed one more issue that popped up during R.oo installation. The merge for the reference is 8364678

Note that this will propagate to the next public release. If you want to try the fixes now, you can use the community provided Dockerfile: https://github.com/nuest/fastr-docker

I've had some issues with running the R.oo tests, but I tried the sample below taken from the docs and it seems to work fine. Please, let us know if you find any other issues.

setConstructorS3("MyDouble", function(value=0, ...) {
  extend(as.double(value), "MyDouble", ...)
})
setMethodS3("as.character", "MyDouble", function(object, ...) {
  fmtstr <- attr(object, "fmtstr")
  if (is.null(fmtstr))
    fmtstr <- "%.6f"
  sprintf(fmtstr, object)
})
setMethodS3("print", "MyDouble", function(object, ...) {
  print(as.character(object), ...)
})
x <- MyDouble(3.1415926)
print(x)
x <- MyDouble(3.1415926, fmtstr="%3.2f")
print(x)
attr(x, "fmtstr") <- "%e"
print(x)

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