If f <- function(x){x^2} and g <- function(x){x+1} it is a constant source of annoyance that "f+g" is not defined. Package 'vfunc' allows you to do this, and we have (f+g)(2) returning 5. The other arithmetic operators are similarly implemented. A wide class of coding bugs is eliminated.
| Version: | 1.0 | 
| Depends: | R (≥ 4.2.0) | 
| Imports: | methods | 
| Suggests: | testthat, knitr, rmarkdown, onion | 
| Published: | 2025-07-28 | 
| DOI: | 10.32614/CRAN.package.vfunc | 
| Author: | Robin K. S. Hankin | 
| Maintainer: | Robin K. S. Hankin <hankin.robin at gmail.com> | 
| License: | GPL-2 | 
| NeedsCompilation: | no | 
| Materials: | README | 
| CRAN checks: | vfunc results | 
| Reference manual: | vfunc.html , vfunc.pdf | 
| Vignettes: | The vfunc package (source, R code) | 
| Package source: | vfunc_1.0.tar.gz | 
| Windows binaries: | r-devel: vfunc_1.0.zip, r-release: vfunc_1.0.zip, r-oldrel: vfunc_1.0.zip | 
| macOS binaries: | r-release (arm64): vfunc_1.0.tgz, r-oldrel (arm64): vfunc_1.0.tgz, r-release (x86_64): vfunc_1.0.tgz, r-oldrel (x86_64): vfunc_1.0.tgz | 
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