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{ stdenv, fetchFromGitHub, ocaml, ocamlbuild, cstruct, result, findlib }:
let param =
if stdenv.lib.versionAtLeast ocaml.version "4.03"
then {
version = "0.5.1";
sha256 = "0rm79xyszy9aqvflcc13y9xiya82z31fzmr3b3hx91pmqviymhgc";
} else {
version = "0.4.0";
sha256 = "019s3jwhnswa914bgj1fa6q67k0bl2ahqdaqfnavcbyii8763kh2";
};
in
stdenv.mkDerivation rec {
inherit (param) version;
name = "ocaml-angstrom-${version}";
src = fetchFromGitHub {
owner = "inhabitedtype";
repo = "angstrom";
rev = "${version}";
inherit (param) sha256;
};
createFindlibDestdir = true;
buildInputs = [ ocaml findlib ocamlbuild ];
propagatedBuildInputs = [ result cstruct ];
meta = {
homepage = https://github.com/inhabitedtype/angstrom;
description = "OCaml parser combinators built for speed and memory efficiency";
license = stdenv.lib.licenses.bsd3;
maintainers = with stdenv.lib.maintainers; [ sternenseemann ];
inherit (ocaml.meta) platforms;
};
}
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