nixpkgs/pkgs/development/libraries/haskell/wl-pprint-extras/default.nix

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{ cabal, nats, semigroupoids, semigroups, utf8String }:
cabal.mkDerivation (self: {
pname = "wl-pprint-extras";
version = "3.3";
sha256 = "1q3wiw62k53yl9ny9l54b281zprrnshw94pd52rlcxbw9cgj8xzx";
buildDepends = [ nats semigroupoids semigroups utf8String ];
meta = {
homepage = "http://github.com/ekmett/wl-pprint-extras/";
description = "A free monad based on the Wadler/Leijen pretty printer";
license = self.stdenv.lib.licenses.bsd3;
platforms = self.ghc.meta.platforms;
};
})