anchor.diff:    '';
   
     meta = with lib; {
  -    description = "A  cross-language development platform for in-memory data";
  +    description = "A cross-language development platform for in-memory data";
       homepage = "https://arrow.apache.org/";
       license = licenses.asl20;
       platforms = platforms.unix;
  -    maintainers = with maintainers; [ tobim veprbl ];
  +    maintainers = with maintainers; [ tobim veprbl cpcloud ];
     };
   }
  
positive.code: { stdenv, lib, fetchurl, fetchFromGitHub, fixDarwinDylibNames
  , autoconf, boost, brotli, cmake, flatbuffers, gflags, glog, gtest, lz4
  , perl, python3, rapidjson, re2, snappy, thrift, utf8proc, which, xsimd
  , zlib, zstd
  , enableShared ? !stdenv.hostPlatform.isStatic
  }:
  
negative.code:   arrow-testing = fetchFromGitHub {
      owner = "apache";
      repo = "arrow-testing";
      rev = "a60b715263d9bbf7e744527fb0c084b693f58043";
      hash = "sha256-Dz1dCV0m5Y24qzXdVaqrZ7hK3MRSb4GF0PXrjMAsjZU=";
    };
  
    parquet-testing = fetchFromGitHub {
      owner = "apache";
      repo = "parquet-testing";
      rev = "d4d485956a643c693b5549e1a62d52ca61c170f1";
      hash = "sha256-GmOAS8gGhzDI0WzORMkWHRRUl/XBwmNen2d3VefZxxc=";
    };
  
  in stdenv.mkDerivation rec {
    pname = "arrow-cpp";
    version = "6.0.0";
  
    src = fetchurl {
      url =
        "mirror://apache/arrow/arrow-${version}/apache-arrow-${version}.tar.gz";
      hash = "sha256-adJo+egtPr71la0b3IPUywKyDBgZRqaGMfZkXXwfepA=";
    };
    sourceRoot = "apache-arrow-${version}/cpp";
  
  