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    }

    return $ok;
}

sub _eval {
    my( $code, @args ) = @_;

    # Work around oddities surrounding resetting of $@ by immediately
    # storing it.
    my( $sigdie, $eval_result, $eval_error );
    {
        local( $@, $!, $SIG{__DIE__} );    # isolate eval
        $eval_result = eval $code;              ## no critic (BuiltinFunctions::ProhibitStringyEval)
        $eval_error  = $@;
        $sigdie      = $SIG{__DIE__} || undef;
    }
    # make sure that $code got a chance to set $SIG{__DIE__}
    $SIG{__DIE__} = $sigdie if defined $sigdie;

    return( $eval_result, $eval_error );
}

#line 875

sub require_ok ($) {
    my($module) = shift;
    my $tb = Test::More->builder;

    my $pack = caller;

    # Try to deterine if we've been given a module name or file.
    # Module names must be barewords, files not.
    $module = qq['$module'] unless _is_module_name($module);

    my $code = <<REQUIRE;
package $pack;
require $module;
1;
REQUIRE

    my( $eval_result, $eval_error ) = _eval($code);
    my $ok = $tb->ok( $eval_result, "require $module;" );

    unless($ok) {
        chomp $eval_error;
        $tb->diag(<<DIAGNOSTIC);
    Tried to require '$module'.
    Error:  $eval_error
DIAGNOSTIC

    }

    return $ok;
}

sub _is_module_name {
    my $module = shift;

    # Module names start with a letter.
    # End with an alphanumeric.
    # The rest is an alphanumeric or ::
    $module =~ s/\b::\b//g;

    return $module =~ /^[a-zA-Z]\w*$/ ? 1 : 0;
}

#line 952

our( @Data_Stack, %Refs_Seen );
my $DNE = bless [], 'Does::Not::Exist';

sub _dne {
    return ref $_[0] eq ref $DNE;
}

## no critic (Subroutines::RequireArgUnpacking)
sub is_deeply {
    my $tb = Test::More->builder;

    unless( @_ == 2 or @_ == 3 ) {
        my $msg = <<'WARNING';
is_deeply() takes two or three args, you gave %d.
This usually means you passed an array or hash instead 
of a reference to it
WARNING
        chop $msg;    # clip off newline so carp() will put in line/file

        _carp sprintf $msg, scalar @_;

        return $tb->ok(0);
    }

    my( $got, $expected, $name ) = @_;

    $tb->_unoverload_str( \$expected, \$got );

    my $ok;
    if( !ref $got and !ref $expected ) {    # neither is a reference
        $ok = $tb->is_eq( $got, $expected, $name );
    }
    elsif( !ref $got xor !ref $expected ) {    # one's a reference, one isn't
        $ok = $tb->ok( 0, $name );
        $tb->diag( _format_stack({ vals => [ $got, $expected ] }) );
    }
    else {                                     # both references
        local @Data_Stack = ();
        if( _deep_check( $got, $expected ) ) {
            $ok = $tb->ok( 1, $name );
        }
        else {
            $ok = $tb->ok( 0, $name );
            $tb->diag( _format_stack(@Data_Stack) );
        }
    }

    return $ok;
}

sub _format_stack {