>From 213ad27a6275d14fe61339ef3adc808f9e8f8b73 Mon Sep 17 00:00:00 2001
From: Naga Malleswari <address@hidden>
Date: Thu, 19 Mar 2020 13:29:05 +0530
Subject: [PATCH] gnu: Add r-crochet.

* gnu/packages/cran.scm (r-crochet): New variable.
---
 gnu/packages/cran.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 4c18275eaa..90788ba109 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -20794,3 +20794,25 @@ 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)))
+
-- 
2.20.1