1 files changed, 32 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/tezos/lwt-result-stdlib.nix b/pkgs/development/ocaml-modules/tezos/lwt-result-stdlib.nix
new file mode 100644
index 00000000000..fe32b7aba74
--- /dev/null
+++ b/pkgs/development/ocaml-modules/tezos/lwt-result-stdlib.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildDunePackage
+, ocaml
+, tezos-stdlib
+, tezos-error-monad
+, alcotest
+, alcotest-lwt
+, crowbar
+}:
+
+if lib.versionAtLeast ocaml.version "4.12" then
+  throw "tezos-lwt-result-stdlib-${tezos-stdlib.version} is not available for OCaml > 4.10"
+else
+
+buildDunePackage {
+  pname = "tezos-lwt-result-stdlib";
+  inherit (tezos-stdlib) version src useDune2 preBuild doCheck;
+
+  propagatedBuildInputs = [
+    tezos-error-monad
+  ];
+
+  checkInputs = [
+    alcotest
+    alcotest-lwt
+    crowbar
+  ];
+
+  meta = tezos-stdlib.meta // {
+    description = "Tezos: error-aware stdlib replacement";
+  };
+}