01/02: gnu: Add r-crochet.

[guix-commits]

dannym pushed a commit to branch master
in repository guix.

commit 1163dacd4b4d9d274be5e8393072323435e9236a
Author: Naga Malleswari <address@hidden>
AuthorDate: Thu Mar 19 13:29:05 2020 +0530

    gnu: Add r-crochet.
    
    * gnu/packages/cran.scm (r-crochet): New variable.
    
    Signed-off-by: Danny Milosavljevic <address@hidden>
---
 gnu/packages/cran.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 2ef1b93..a001e13 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -20802,3 +20802,24 @@ statistics and p-values of the correlation 
coefficients.")
 scales and utilities, including a spell check function for plot label fields
 and an overall emphasis on typography.")
     (license license:expat)))
+
+(define-public r-crochet
+  (package
+    (name "r-crochet")
+    (version "2.2.0")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (cran-uri "crochet" version))
+      (sha256
+       (base32
+        "1cbv79nyycxk6f8ldcsnn2pvgxqlnrj0qs19nhafnq2clxy863k6"))))
+    (build-system r-build-system)
+    (home-page "https://github.com/agrueneberg/crochet";)
+    (synopsis "Implementation Helper for Matrix-Like Types")
+    (description
+     "Functions to help implement the extraction / subsetting / indexing
+function @code{[} and replacement function @code{[<-} of custom matrix-like
+types (based on S3, S4, etc.), modeled as closely to the base matrix class
+as possible (with tests to prove it).")
+    (license license:expat)))