FWIW Rcpp handles this (for CLOENV) with an ifdef:
#if (defined(R_VERSION) && R_VERSION >= R_Version(4,5,0))
return R_ClosureEnv(fun);
#else
return CLOENV(fun);
#endif
https://github.com/RcppCore/Rcpp/blob/257e1977cd6e251d0a3d691050ad43fa29cf9666/inst/include/Rcpp/Function.h#L102-L106
On 3/19/25 11:08, Josiah Parry wrote:
I'm trying to work through some new WARNINGs that I am experiencing *only* in
R-devel.
Found non-API calls to R: ‘BODY’, ‘CLOENV’, ‘ENCLOS’, ‘FORMALS’
Take FORMALS, for example. IIUC, we should now be using R_ClosureFormals
instead. However, my understanding is that this is available only in R 4.5
main trunk.
If migrating to the R_ClosureFormals, should the minimum version of R for
the package be recorded in the DESCRIPTION as R >= 4.5?
Additionally, I'm somewhat at a loss for how to pass CRAN checks for
R-release and R-devel while using only R_ClosureFormals to adhere to
R-devel WARNING.
Should old versions have an upper bound on the supported R version as well
as a lower one e.g. Depends may have R >=4.1.0 <4.5.0?
Thanks in advance for your advice / insight!
- Josiah
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