diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/cran.scm | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm index a876746ae6..cf154b91e3 100644 --- a/gnu/packages/cran.scm +++ b/gnu/packages/cran.scm @@ -3674,6 +3674,44 @@ right-hand side of an assignment into multiple values and assigns these values to variables on the left-hand side of the assignment.") (license license:expat))) +(define-public r-vctrs + (package + (name "r-vctrs") + (version "0.1.0") + (source + (origin + (method url-fetch) + (uri (cran-uri "vctrs" version)) + (sha256 + (base32 + "13w1r8zpalirpfaz5sykpn0mj4jmhxi2qkdcfq081ixlfjyzwa6c")))) + (build-system r-build-system) + (propagated-inputs + `(("r-backports" ,r-backports) + ("r-digest" ,r-digest) + ("r-glue" ,r-glue) + ("r-rlang" ,r-rlang) + ("r-zeallot" ,r-zeallot))) + (home-page "https://github.com/r-lib/vctrs") + (synopsis "Vector helpers") + (description + "There are three main goals to the @code{vctrs} package: + +@enumerate +@item To propose @code{vec_size()} and @code{vec_type()} as alternatives to + @code{length()} and @code{class()}. These definitions are paired with a + framework for type-coercion and size-recycling. +@item To define type- and size-stability as desirable function properties, use + them to analyse existing base function, and to propose better alternatives. + This work has been particularly motivated by thinking about the ideal + properties of @code{c()}, @code{ifelse()}, and @code{rbind()}. +@item To provide a new @code{vctr} base class that makes it easy to create new + S3 vectors. @code{vctrs} provides methods for many base generics in terms of + a few new @code{vctrs} generics, making implementation considerably simpler + and more robust. +@end enumerate\n") + (license license:gpl3))) + (define-public r-pillar (package (name "r-pillar") |