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{stdenv, fetchurl, buildOcaml, ocaml, findlib, ocamlbuild, topkg, opam}:
buildOcaml rec {
version = "0.8.3";
name = "astring";
src = fetchurl {
url = "http://erratique.ch/software/astring/releases/astring-${version}.tbz";
sha256 = "0ixjwc3plrljvj24za3l9gy0w30lsbggp8yh02lwrzw61ls4cri0";
};
unpackCmd = "tar -xf $curSrc";
buildInputs = [ ocaml findlib ocamlbuild topkg opam ];
buildPhase = ''
ocaml -I ${findlib}/lib/ocaml/${ocaml.version}/site-lib/ pkg/pkg.ml build
'';
installPhase = ''
opam-installer --script --prefix=$out astring.install | sh
ln -s $out/lib/astring $out/lib/ocaml/${ocaml.version}/site-lib/
'';
meta = {
homepage = http://erratique.ch/software/ptime;
description = "Alternative String module for OCaml.";
longDescription = ''
Astring exposes an alternative String module for OCaml. This module tries
to balance minimality and expressiveness for basic, index-free, string
processing and provides types and functions for substrings, string sets
and string maps.
Remaining compatible with the OCaml String module is a non-goal.
The String module exposed by Astring has exception safe functions, removes
deprecated and rarely used functions, alters some signatures and names,
adds a few missing functions and fully exploits OCaml's newfound string
immutability.
'';
license = stdenv.lib.licenses.isc;
maintainers = with stdenv.lib.maintainers; [ sternenseemann ];
};
}
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