20/24: gnu: Add ghc-bytestring-lexing.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit d453b899448bd1dc909e7ef279d52940a95031e0
Author: Ricardo Wurmus <address@hidden>
Date:   Tue Oct 2 18:38:06 2018 +0200

    gnu: Add ghc-bytestring-lexing.
    
    * gnu/packages/haskell.scm (ghc-bytestring-lexing): New variable.
---
 gnu/packages/haskell.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 9e47c4c..33354e8 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -11249,4 +11249,25 @@ main = defaultMain")))
 @code{inline-c}.")
     (license license:expat)))
 
+(define-public ghc-bytestring-lexing
+  (package
+    (name "ghc-bytestring-lexing")
+    (version "0.5.0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://hackage.haskell.org/package/";
+                           "bytestring-lexing/bytestring-lexing-"
+                           version ".tar.gz"))
+       (sha256
+        (base32
+         "0wrzniawhgpphc6yx1v972gyqxdbv0pizaz9bafahrshyb9svy81"))))
+    (build-system haskell-build-system)
+    (home-page "http://code.haskell.org/~wren/";)
+    (synopsis "Parse and produce literals from strict or lazy bytestrings")
+    (description
+     "This package provides tools to parse and produce literals efficiently
+from strict or lazy bytestrings.")
+    (license license:bsd-2)))
+
 ;;; haskell.scm ends here