From aa62c899d136caad77b203e68b2eef055c152a83 Mon Sep 17 00:00:00 2001
From: Daniel Firth <dan.firth@homotopic.tech>
Date: Sun, 19 Feb 2023 14:47:46 +0000
Subject: [PATCH] dual-tree: init at 0.2.3.1

---
 horizon.dhall        |  1 +
 initial-packages.nix |  2 ++
 pkgs/dual-tree.nix   | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 pkgs/dual-tree.nix

diff --git a/horizon.dhall b/horizon.dhall
index 6dd688b6..2b0528f0 100644
--- a/horizon.dhall
+++ b/horizon.dhall
@@ -303,6 +303,7 @@ let packages =
             "https://github.com/haskell/double-conversion"
             "5d092e0664442eaac8ae1d101dba57ce9b1c9b03"
             (None Text)
+      , dual-tree = H.callHackage "dual-tree" "0.2.3.1"
       , easy-file = H.callHackage "easy-file" "0.2.2"
       , echo = H.callHackage "echo" "0.1.4"
       , ed25519 =
diff --git a/initial-packages.nix b/initial-packages.nix
index 7358862a..1af53a2a 100644
--- a/initial-packages.nix
+++ b/initial-packages.nix
@@ -453,6 +453,8 @@ self: with pkgs.haskell.lib; {
 
   double-conversion = self.callPackage (./pkgs/double-conversion.nix) { };
 
+  dual-tree = self.callPackage (./pkgs/dual-tree.nix) { };
+
   easy-file = self.callPackage (./pkgs/easy-file.nix) { };
 
   echo = self.callPackage (./pkgs/echo.nix) { };
diff --git a/pkgs/dual-tree.nix b/pkgs/dual-tree.nix
new file mode 100644
index 00000000..81f124db
--- /dev/null
+++ b/pkgs/dual-tree.nix
@@ -0,0 +1,34 @@
+{ mkDerivation
+, QuickCheck
+, base
+, lib
+, monoid-extras
+, semigroups
+, testing-feat
+}:
+mkDerivation {
+  pname = "dual-tree";
+  version = "0.2.3.1";
+  sha256 = "d0394b94c312a5ae032ee72d811400e3f435138ea05f7be6a4d019131a19d5a6";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base monoid-extras semigroups ];
+  testHaskellDepends = [
+    base
+    monoid-extras
+    QuickCheck
+    semigroups
+    testing-feat
+  ];
+  enableLibraryProfiling = true;
+  enableExecutableProfiling = true;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  description = "Rose trees with cached and accumulating monoidal annotations";
+  license = lib.licenses.bsd3;
+  broken = false;
+}
-- 
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