[PATCH 25/43] gnu: ghc-annotated-wl-pprint: New variable.

[Paul van der Walt]

* gnu/packages/haskell.scm (ghc-annotated-wl-pprint: New variable.
* gnu/packages/haskell.scm (ghc-ansi-wl-pprint: New variable.
---
 gnu/packages/haskell.scm | 50 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index e0fdf1f..1c440ef 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1402,6 +1402,56 @@ optimized for performance critical use, both in terms of 
large data quantities
 and high speed.")
     (license bsd-3)))
 
+(define-public ghc-annotated-wl-pprint
+  (package
+    (name "ghc-annotated-wl-pprint")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://hackage.haskell.org/package/annotated-wl-pprint";
+             "/annotated-wl-pprint-" version
+             ".tar.gz"))
+       (sha256
+        (base32
+        "061xfz6qany3wf95csl8dcik2pz22cn8iv1qchhm16isw5zjs9hc"))))
+    (build-system haskell-build-system)
+    (home-page
+     "https://github.com/david-christiansen/annotated-wl-pprint";)
+    (synopsis
+     "The Wadler/Leijen Pretty Printer, with annotation support")
+    (description "This is a modified version of wl-pprint, which was based on
+Wadler's paper \"A Prettier Printer\".  This version allows the library user
+to annotate the text with semantic information, which can later be rendered in
+a variety of ways.")
+    (license bsd-3)))
+
+(define-public ghc-ansi-wl-pprint
+  (package
+    (name "ghc-ansi-wl-pprint")
+    (version "0.6.7.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"http://hackage.haskell.org/package/ansi-wl-pprint/ansi-wl-pprint-";
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "025pyphsjf0dnbrmj5nscbi6gzyigwgp3ifxb3psn7kji6mfr29p"))))
+    (build-system haskell-build-system)
+    (propagated-inputs
+     `(("ghc-ansi-terminal" ,ghc-ansi-terminal)))
+    (home-page "http://github.com/ekmett/ansi-wl-pprint";)
+    (synopsis "The Wadler/Leijen Pretty Printer for colored ANSI
+terminal output")
+    (description "This is a pretty printing library based on Wadler's
+paper \"A Prettier Printer\". It has been enhanced with support for
+ANSI terminal colored output using the ansi-terminal package.")
+    (license bsd-3)))
+
 (define-public ghc-split
   (package
     (name "ghc-split")
-- 
2.6.1