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    }

    if ($] >= 5.008 and $] < 5.008003) { # join() in 5.8.0 - 5.8.2 is broken.
        package App::cpanurl::JSON::PP;
        require subs;
        subs->import('join');
        eval q|
            sub join {
                return '' if (@_ < 2);
                my $j   = shift;
                my $str = shift;
                for (@_) { $str .= $j . $_; }
                return $str;
            }
        |;
    }


    sub App::cpanurl::JSON::PP::incr_parse {
        local $Carp::CarpLevel = 1;
        ( $_[0]->{_incr_parser} ||= App::cpanurl::JSON::PP::IncrParser->new )->incr_parse( @_ );
    }


    sub App::cpanurl::JSON::PP::incr_skip {
        ( $_[0]->{_incr_parser} ||= App::cpanurl::JSON::PP::IncrParser->new )->incr_skip;
    }


    sub App::cpanurl::JSON::PP::incr_reset {
        ( $_[0]->{_incr_parser} ||= App::cpanurl::JSON::PP::IncrParser->new )->incr_reset;
    }

    eval q{
        sub App::cpanurl::JSON::PP::incr_text : lvalue {
            $_[0]->{_incr_parser} ||= App::cpanurl::JSON::PP::IncrParser->new;

            if ( $_[0]->{_incr_parser}->{incr_parsing} ) {
                Carp::croak("incr_text can not be called when the incremental parser already started parsing");
            }
            $_[0]->{_incr_parser}->{incr_text};
        }
    } if ( $] >= 5.006 );

} # Setup for various Perl versions (the code from App::cpanurl::JSON::PP58)


###############################
# Utilities
#

BEGIN {
    eval 'require Scalar::Util';
    unless($@){
        *App::cpanurl::JSON::PP::blessed = \&Scalar::Util::blessed;
        *App::cpanurl::JSON::PP::reftype = \&Scalar::Util::reftype;
        *App::cpanurl::JSON::PP::refaddr = \&Scalar::Util::refaddr;
    }
    else{ # This code is from Sclar::Util.
        # warn $@;
        eval 'sub UNIVERSAL::a_sub_not_likely_to_be_here { ref($_[0]) }';
        *App::cpanurl::JSON::PP::blessed = sub {
            local($@, $SIG{__DIE__}, $SIG{__WARN__});
            ref($_[0]) ? eval { $_[0]->a_sub_not_likely_to_be_here } : undef;
        };
        my %tmap = qw(
            B::NULL   SCALAR
            B::HV     HASH
            B::AV     ARRAY
            B::CV     CODE
            B::IO     IO
            B::GV     GLOB
            B::REGEXP REGEXP
        );
        *App::cpanurl::JSON::PP::reftype = sub {
            my $r = shift;

            return undef unless length(ref($r));

            my $t = ref(B::svref_2object($r));

            return
                exists $tmap{$t} ? $tmap{$t}
              : length(ref($$r)) ? 'REF'
              :                    'SCALAR';
        };
        *App::cpanurl::JSON::PP::refaddr = sub {
          return undef unless length(ref($_[0]));

          my $addr;
          if(defined(my $pkg = blessed($_[0]))) {
            $addr .= bless $_[0], 'Scalar::Util::Fake';
            bless $_[0], $pkg;
          }
          else {
            $addr .= $_[0]
          }

          $addr =~ /0x(\w+)/;
          local $^W;
          #no warnings 'portable';
          hex($1);
        }
    }
}


# shamely copied and modified from JSON::XS code.

$App::cpanurl::JSON::PP::true  = do { bless \(my $dummy = 1), "App::cpanurl::JSON::PP::Boolean" };
$App::cpanurl::JSON::PP::false = do { bless \(my $dummy = 0), "App::cpanurl::JSON::PP::Boolean" };

sub is_bool { defined $_[0] and UNIVERSAL::isa($_[0], "App::cpanurl::JSON::PP::Boolean"); }

sub true  { $App::cpanurl::JSON::PP::true  }
sub false { $App::cpanurl::JSON::PP::false }
sub null  { undef; }

###############################

package App::cpanurl::JSON::PP::Boolean;

use overload (
   "0+"     => sub { ${$_[0]} },