[R-pkg-devel] S4 methods

R CMD check etc now warn when a package exports non-existing S4 classes or methods, also in case of no "methods" presence

exportClasses(classify)

exportClasses(gonad_mature)

exportClasses(morphMat)

Dear members

I just finished some minor updates to an R package (sizeMat) I've had on
CRAN (haven't had to update in a month). My package passes Check on my
local machine, but it just bounced back from CRAN with the message

Warning: S4 exports specified in 'NAMESPACE' but not defined in package
'sizeMat'

I use roxygen2 to build my package NAMESPACE and don't have any S4 exports
that I'm aware of.

Perhaps this might be related to changes in R version 4.0.0?
How could I fix this problem?

Thanks.

Dear members

I just finished some minor updates to an R package (sizeMat) I've had on
CRAN (haven't had to update in a month). My package passes Check on my
local machine, but it just bounced back from CRAN with the message

Warning: S4 exports specified in 'NAMESPACE' but not defined in package
'sizeMat'

I use roxygen2 to build my package NAMESPACE and don't have any S4 exports
that I'm aware of.

Perhaps this might be related to changes in R version 4.0.0?
How could I fix this problem?

Thanks.

--
Edgar Josymar Torrej?n Magallanes

        [[alternative HTML version deleted]]

You export these S4 classes from your package:

https://github.com/cran/sizeMat/blob/c4d257a9108cde3ddb6e8eb2072cd567ae85b5c8/NAMESPACE#L13-L15

But these are not actually S4 classes, AFAICT. Remove the
`@exportClass` tags here:

https://github.com/cran/sizeMat/blob/c4d257a9108cde3ddb6e8eb2072cd567ae85b5c8/R/gonadMat-main.R#L47

https://github.com/cran/sizeMat/blob/c4d257a9108cde3ddb6e8eb2072cd567ae85b5c8/R/morphMat-main.R#L101

https://github.com/cran/sizeMat/blob/c4d257a9108cde3ddb6e8eb2072cd567ae85b5c8/R/morphMat-main.R#L305

Gabor

On Tue, Jun 2, 2020 at 10:57 AM Edgar Josymar Torrej?n-Magallanes
<ejosymart at gmail.com> wrote:

Dear members

I just finished some minor updates to an R package (sizeMat) I've had on
CRAN (haven't had to update in a month). My package passes Check on my
local machine, but it just bounced back from CRAN with the message

Warning: S4 exports specified in 'NAMESPACE' but not defined in package
'sizeMat'

I use roxygen2 to build my package NAMESPACE and don't have any S4

exports

that I'm aware of.

Perhaps this might be related to changes in R version 4.0.0?
How could I fix this problem?

Thanks.

--
Edgar Josymar Torrej?n Magallanes

        [[alternative HTML version deleted]]