nixpkgs/pkgs/development/compilers/ocaml/4.10.nix

import ./generic.nix {
  major_version = "4";
  minor_version = "10";
  patch_version = "0+rc1";
  sha256 = "1nzmn9wszixsyzz4bhpwqw8dx0m1iy83xmanp4g9f5dfywgcss2c";
}