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[bug#37430] [PATCH] gnu: Add r-assertable.

From: Wiktor Żelazny
Subject: [bug#37430] [PATCH] gnu: Add r-assertable.
Date: Mon, 16 Sep 2019 18:18:06 +0200

From: Wiktor Żelazny <address@hidden>

* gnu/packages/cran.scm (r-assertable): New variable.
 gnu/packages/cran.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index cb0be4aedd..89a581cb5e 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -15610,3 +15610,30 @@ deprecated, and defunct).  It makes it easy to insert 
badges corresponding to
 these stages in your documentation.  Usage of deprecated functions are
 signalled with increasing levels of non-invasive verbosity.")
     (license license:gpl3)))
+(define-public r-assertable
+  (package
+    (name "r-assertable")
+    (version "0.2.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "assertable" version))
+       (sha256
+        (base32
+         "0jjd6ylh26fykzzv1q2lbajzfj07lyxwb3b3xmr2zdg2fp5b2w4c"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-data-table" ,r-data-table)))
+    (home-page "";)
+    (synopsis "Verbose assertions for tabular data (data.frames and 
+    (description "This package provides simple, flexible assertions on
+data.frame or data.table objects with verbose output for vetting.  While other
+assertion packages apply towards more general use-cases, @code{assertable} is
+tailored towards tabular data.  It includes functions to check variable names
+and values, whether the dataset contains all combinations of a given set of
+unique identifiers, and whether it is a certain length.  In addition,
+@code{assertable} includes utility functions to check the existence of target
+files and to efficiently import multiple tabular data files into one
+    (license license:gpl3)))

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