From 8150d6f7c69a943a47a6d45fadfb2cbe085192e9 Mon Sep 17 00:00:00 2001
From: John Soo <address@hidden>
Date: Sun, 7 Jul 2019 17:36:43 -0700
Subject: [PATCH 06/13] gnu: Add ghc-fmlist.

---
 gnu/packages/haskell.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index bb3c55070b..fced27227a 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2835,6 +2835,31 @@ by the event-list package.")
 computation with an IO base.")
     (license license:bsd-3)))
 
+(define-public ghc-fmlist
+  (package
+    (name "ghc-fmlist")
+    (version "0.9.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri
+        (string-append
+         "https://hackage.haskell.org/package/fmlist/fmlist-"
+         version ".tar.gz"))
+       (sha256
+        (base32
+         "02868865hqm189h5wjd916abvqwkhbrx5b0119s1dwp70ifvbi4g"))))
+    (build-system haskell-build-system)
+    (arguments `(#:tests? #f))
+    (home-page "https://github.com/sjoerdvisscher/fmlist")
+    (synopsis "FoldMap lists")
+    (description
+     "FoldMap lists are lists represented by their foldMap function.  FoldMap
+lists have O(1) cons, snoc and append, just like DLists, but other operations
+might have favorable performance characteristics as well.  These wild claims
+are still completely unverified though.")
+    (license license:bsd-3)))
+
 (define-public ghc-storablevector
   (package
     (name "ghc-storablevector")
-- 
2.22.0