[R-pkg-devel] New API in R-devel & minimum version of R

[Dirk Eddelbuettel]

On 19 March 2025 at 09:29, Michael Chirico wrote:
| data.table is doing the same in a number of places, Ivan even went so far
| as to pin down a specific SVN commit for those as well:
| 
| #if R_VERSION < R_Version(4, 5, 0) || R_SVN_REVISION < 86702
| #  define isDataFrame(x) isFrame(x) // #6180
| #endif
| 
| https://github.com/Rdatatable/data.table/blob/0909048017d35f8b8a910c74549650f5de5a74a9/src/data.table.h#L21-L23
| 
| Sneaking onto my soapbox to complain that it really seems incorrect that R
| CMD check started complaining about these issues before the API-compliant
| functions were included in an R release. I was really surprised to see
| these functions were not included in the most recent past release, for
| example.

Seconded.  

(Also I was wrong in them previous email: we learned from Ben as lme4 got the nag.)

Dirk

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