nixpkgs/pkgs/development/ocaml-modules/fieldslib/default.nix

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{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, type_conv, camlp4 }:
assert stdenv.lib.versionOlder "4.00" (stdenv.lib.getVersion ocaml);
if stdenv.lib.versionAtLeast ocaml.version "4.06"
then throw "fieldslib-109.20.03 is not available for OCaml ${ocaml.version}"
else
stdenv.mkDerivation {
name = "ocaml-fieldslib-109.20.03";
src = fetchurl {
url = https://ocaml.janestreet.com/ocaml-core/109.20.00/individual/fieldslib-109.20.03.tar.gz;
sha256 = "1dkzk0wf26rhvji80dz1r56dp6x9zqrnp87wldd4pj56jli94vir";
};
buildInputs = [ ocaml findlib ocamlbuild ];
propagatedBuildInputs = [ type_conv camlp4 ];
createFindlibDestdir = true;
meta = with stdenv.lib; {
homepage = https://ocaml.janestreet.com/;
description = "OCaml syntax extension to define first class values representing record fields, to get and set record fields, iterate and fold over all fields of a record and create new record values";
license = licenses.asl20;
maintainers = [ maintainers.vbgl ];
platforms = ocaml.meta.platforms or [];
};
}