gnu: Add julia-bufferedstreams.

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

gnu/packages/julia-xyz.scm

@@ -247,3 +247,25 @@ for Julia")
     (synopsis "JSON parsing and printing")
     (description "Parsing and printing JSON in pure Julia.")
     (license license:expat)))
+
+(define-public julia-bufferedstreams
+  (package
+    (name "julia-bufferedstreams")
+    (version "1.0.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/BioJulia/BufferedStreams.jl")
+             (commit (string-append "v" version))))
+       (file-name "BufferedStreams")
+       (sha256
+        (base32 "0sf4sxbq55mg2pwxyxf0c839z1lk0yxg8nmb7617bfbvw31cp88z"))))
+    (propagated-inputs `(("julia-compat" ,julia-compat)))
+    (build-system julia-build-system)
+    (home-page "https://github.com/BioJulia/BufferedStreams.jl")
+    (synopsis "Fast composable IO streams")
+    (description "@code{BufferedStreams} provides buffering for IO
+operations.  It can wrap any IO type automatically making incremental reading
+and writing faster.")
+    (license license:expat)))