#!/usr/bin/env perl

use strict;
use warnings;
use feature qw(say);

while (<<>>) {say}

__END__



##</code><code>##

 perl -MO=Deparse double_bracket_op.pl double_bracket_op.pl
use warnings;
use strict;
use feature 'say';
while (defined($_ = <<>>)) {
    say $_;
}
__DATA__
double_bracket_op.pl syntax OK

##</code><code>##

#!/usr/bin/env perl

use strict;
use warnings;
use Cpanel::JSON::XS;
use feature qw(say);
use Data::Dump;
use Path::Tiny;

my @data = <DATA>;

chomp @data; 

dd \@data; 

my $json = encode_json \@data; 

dd $json;

my $file = path(q(json.dat)); 

$file->spew_utf8($json); 

my $data = decode_json $file->slurp_utf8; 

dd $data; 

say q(Cool beans!); 

__DATA__
foo
bar
nose
cuke

##</code><code>##

package MyClass;

use Class::Tiny qw(something);
use Role::Tiny::With;
use feature qw(say);

say q(package ) . __PACKAGE__;

with qw(MyRole);

1;

package MyRole;

use Role::Tiny;
use feature qw(say);
requires qw(something);

say q(package ) . __PACKAGE__;

around 'something' => sub {
    print q(Long John Silver said );
    uc &{ (shift) };
};

1;


#!/usr/bin/env perl 

use strict;
use warnings;
use MyClass;
use feature qw(say);

say q(package ) . __PACKAGE__;

my $object = MyClass->new( something => q("I reckon i settled you.") );

say $object->something;

__END__


##</code><code>##

package Foo {

    use strict;
    use warnings;

    sub new {
        my ( $class, $foo ) = @_;
        bless \$foo, $class;
        \$foo;
    }

    sub foo {
        ${ (shift) };
    }

    1;
}

package Bar {

    use strict;
    use warnings;
    use parent qw(Foo);

    my $modify = sub { uc shift };

    # my $modify = sub { ... };

    sub bar {
        # my ( $self, $foo ) = @_;
        $modify->( shift->SUPER::foo() );
    }

    1;
}

#!/usr/bin/env perl

use strict;
use warnings;
use feature qw(say);
use Bar;

my $object = Bar->new(q(lorem ipsum kizuaheli));

say for ( $object->foo(), $object->bar() );

__END__