add devShell

1 files changed, 10 insertions, 2 deletions

diff --git a/flake.nix b/flake.nix
index 4c483e6..f889c15 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,8 +11,7 @@
         pkgs = nixpkgs.legacyPackages."${system}";
 
         buildInputs = with pkgs.ocamlPackages; [
-          utop
-          pkgs.nixUnstable
+          utop # required for dune utop
         ];
 
       in
@@ -23,5 +22,14 @@
           useDune2 = true;
           src = ./.;
         };
+        devShell = mkShell {
+          buildInputs = with ocamlPackages; [
+            ocaml
+            pkgs.dune_2
+            utop
+            pkgs.nixUnstable
+            fswatch
+          ];
+        };
       });
 }