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use warnings; no warnings 'deprecated', 'experimental::lexical_topic';
use strict;
use Test::More tests => 18;
our @t = qw(a b c d e f);
our $r = \@t;
our @i4 = (3, 5, 3, 5);
$[ = 3;
is_deeply [ scalar @t[3,4] ], [ qw(b) ];
is_deeply [ @t[3,4,8,9] ], [ qw(a b f), undef ];
is_deeply [ scalar @t[@i4] ], [ qw(c) ];
is_deeply [ @t[@i4] ], [ qw(a c a c) ];
is_deeply [ scalar @{$r}[3,4] ], [ qw(b) ];
is_deeply [ @{$r}[3,4,8,9] ], [ qw(a b f), undef ];
is_deeply [ scalar @{$r}[@i4] ], [ qw(c) ];
is_deeply [ @{$r}[@i4] ], [ qw(a c a c) ];
is_deeply [ @t[2,-1,1,-2] ], [ qw(f f e e) ];
{
$[ = -3;
is_deeply [@t[-3,()]], ['a'];
}
SKIP: {
skip "no lexical \$_", 8 unless eval q{my $_; 1};
eval q{
my $_;
is_deeply [ scalar @t[3,4] ], [ qw(b) ];
is_deeply [ @t[3,4,8,9] ], [ qw(a b f), undef ];
is_deeply [ scalar @t[@i4] ], [ qw(c) ];
is_deeply [ @t[@i4] ], [ qw(a c a c) ];
is_deeply [ scalar @{$r}[3,4] ], [ qw(b) ];
is_deeply [ @{$r}[3,4,8,9] ], [ qw(a b f), undef ];
is_deeply [ scalar @{$r}[@i4] ], [ qw(c) ];
is_deeply [ @{$r}[@i4] ], [ qw(a c a c) ];
};
}
1;
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