{ pkgs ? import <nixpkgs> { } }:

let
  ocamlPackages = pkgs.ocaml-ng.ocamlPackages_5_3;
in
pkgs.mkShell {
  name = "frost";
  dontDetectOcamlConflicts = false;
  nativeBuildInputs = with ocamlPackages; [
    dune_3
    findlib
    merlin
    menhir
    ocaml
    ocamlformat
    odoc
    crowbar
  ];
  buildInputs = with ocamlPackages; [
    bos
    cmdliner
    fmt
    fpath
    menhirLib
    prelude
    sedlex
  ];
  shellHook = ''
    export PATH=$PATH:${pkgs.lib.makeBinPath [
    ]}
  '';
}