Select Code to Download

has attribute => (
    default => sub { 0 },
);

{
    default => 0,
}

    description => sub{0}

    description => 0

sub { ... }->()

$ perl -wE 'my $x = { y => 0 }; say $x->{y}'
0

$ perl -wE 'my $x = { y => sub { 0 } }; say $x->{y}'
CODE(0x7f8c34026a60)

$ perl -wE 'my $x = { y => sub { 0 }->() }; say $x->{y}'
0