gnu: Add julia-invertedindices.

* gnu/packages/julia-xyz.scm (julia-invertedindices-1.0.0): New variable.

gnu/packages/julia-xyz.scm

@@ -712,3 +712,24 @@ estimation.")
     (description "@code{Reexport.jl} re-exports symbols defined in another
 module from your module, until this functionality is built into Julia.")
     (license license:expat)))
+
+(define-public julia-invertedindices
+  (package
+    (name "julia-invertedindices")
+    (version "1.0.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/mbauman/InvertedIndices.jl")
+             (commit (string-append "v" version))))
+       (file-name "InvertedIndices")
+       (sha256
+        (base32 "1179z20yxnkyziip7gn26wr1g3k3ssl1ci7pig3khc900f62di46"))))
+    (build-system julia-build-system)
+    (home-page "https://github.com/mbauman/InvertedIndices.jl")
+    (synopsis "Simple index type that allows for inverted selections")
+    (description "This very small package just exports one type: the
+InvertedIndex, or Not for short.  It can wrap any supported index type and may
+be used as an index into any AbstractArray subtype, including OffsetArrays.")
+    (license license:expat)))