gnu: Add julia-paddedviews.

* gnu/packages/julia-xyz.scm (julia-paddedviews): New variable.

gnu/packages/julia-xyz.scm

@@ -1615,6 +1615,33 @@ have arbitrary indices, similar to those found in some other programming
 languages like Fortran.")
     (license license:expat)))
 
+(define-public julia-paddedviews
+  (package
+    (name "julia-paddedviews")
+    (version "0.5.8")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/JuliaArrays/PaddedViews.jl")
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "0ran2vj6ahlzib0g77y7g0jhavy3k9s2mqq23ybpgp9z677wf26h"))))
+    (build-system julia-build-system)
+    (arguments
+     '(#:tests? #f))                    ;require Documenter, not packaged yet
+    (propagated-inputs
+     `(("julia-offsetarrays" ,julia-offsetarrays)))
+    (home-page "https://github.com/JuliaArrays/PaddedViews.jl")
+    (synopsis "Add virtual padding to the edges of an array")
+    (description "@code{PaddedViews} provides a simple wrapper type,
+@code{PaddedView}, to add \"virtual\" padding to any array without copying data.
+Edge values not specified by the array are assigned a @code{fillvalue}.
+Multiple arrays may be \"promoted\" to have common indices using the
+@code{paddedviews} function.")
+    (license license:expat)))
+
 (define-public julia-parameters
   (package
     (name "julia-parameters")