gnu: Add ghc-bloomfilter.

* gnu/package/haskell.scm (ghc-bloomfilter): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/haskell.scm

@@ -14,6 +14,7 @@
 ;;; Copyright © 2017 rsiddharth <s@ricketyspace.net>
 ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Tonton <tonton@riseup.net>
+;;; Copyright © 2018 Timothy Sample <samplet@ngyro.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -3573,6 +3574,31 @@ (define-public ghc-vector-binary-instances
 boxed and storable vectors.")
     (license license:bsd-3)))
 
+(define-public ghc-bloomfilter
+  (package
+    (name "ghc-bloomfilter")
+    (version "2.0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://hackage.haskell.org/package/"
+                           "bloomfilter/bloomfilter-" version ".tar.gz"))
+       (sha256
+        (base32
+         "03vrmncg1c10a2wcg5skq30m1yiknn7nwxz2gblyyfaxglshspkc"))))
+    (build-system haskell-build-system)
+    (native-inputs
+     `(("ghc-quickcheck" ,ghc-quickcheck)
+       ("ghc-random" ,ghc-random)
+       ("ghc-test-framework" ,ghc-test-framework)
+       ("ghc-test-framework-quickcheck2" ,ghc-test-framework-quickcheck2)))
+    (home-page "https://github.com/bos/bloomfilter")
+    (synopsis "Pure and impure Bloom filter implementations")
+    (description "This package provides both mutable and immutable Bloom
+filter data types, along with a family of hash functions and an easy-to-use
+interface.")
+    (license license:bsd-3)))
+
 (define-public ghc-network
   (package
     (name "ghc-network")