1 files changed, 29 insertions, 0 deletions
diff --git a/pkgs/development/tools/millet/default.nix b/pkgs/development/tools/millet/default.nix
new file mode 100644
index 0000000000000..bc5f184ad94b2
--- /dev/null
+++ b/pkgs/development/tools/millet/default.nix
@@ -0,0 +1,29 @@
+{ lib, rustPlatform, fetchFromGitHub, rustfmt }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "millet";
+  version = "0.1.12";
+
+  src = fetchFromGitHub {
+    owner = "azdavis";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-dYX7G/oDSjQwW28njat6pdNobnFp5yE7rgUCPqbWLi0=";
+  };
+
+  cargoSha256 = "sha256-ve7V2G4rVQJshngxEFZWX8PtRxvZgeHP7XCgW4x1yyo=";
+
+  nativeBuildInputs = [
+    # Required for `syntax-gen` crate https://github.com/azdavis/language-util/blob/8ec2dc509c88951102ad3e751820443059a363af/crates/syntax-gen/src/util.rs#L37
+    rustfmt
+  ];
+
+  cargoBuildFlags = [ "--package" "lang-srv" ];
+
+  meta = with lib; {
+    description = "A language server for Standard ML";
+    homepage = "https://github.com/azdavis/millet";
+    license = licenses.mit;
+    maintainers = with maintainers; [ marsam ];
+  };
+}