GNU bug report logs - #30892
[PATCH 00/37] Add ghc-yesod and its dependencies.

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Message #86 received at 30892 <at> debbugs.gnu.org (full text, mbox):

From: rsiddharth <s <at> ricketyspace.net>
To: 30892 <at> debbugs.gnu.org
Cc: rsiddharth <s <at> ricketyspace.net>
Subject: [PATCH 27/37] gnu: Add ghc-microlens.
Date: Wed, 21 Mar 2018 03:45:05 +0000

* gnu/packages/haskell.scm (ghc-microlens): New variable.
---
 gnu/packages/haskell.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 8944492ff..690c105a4 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -9481,4 +9481,29 @@ typeclass, instances for base and transformers, and basic utility
 functions.")
     (license license:expat)))
 
+(define-public ghc-microlens
+  (package
+    (name "ghc-microlens")
+    (version "0.4.8.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://hackage.haskell.org/package/"
+                           "microlens-" version "/"
+                           "microlens-" version ".tar.gz"))
+       (sha256
+        (base32
+         "17qx2mbqdrlnkc3gxq8njbp7qw8nh51drmz6fc8khgj9bls5ni2k"))))
+    (build-system haskell-build-system)
+    (home-page
+     "https://github.com/aelve/microlens")
+    (synopsis "Provides a tiny lens Haskell library with no dependencies")
+    (description "This Haskell package provides a lens library, just like
+@code{ghc-lens}, but smaller.  It provides essential lenses and
+traversals (like @code{_1} and @code{_Just}), as well as ones which are simply
+nice to have (like @code{each}, @code{at}, and @code{ix}), and some
+combinators (like @code{failing} and @code{singular}), but everything else is
+stripped.  As the result, this package has no dependencies.")
+    (license license:bsd-3)))
+
 ;;; haskell.scm ends here
-- 
2.16.2

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