Subroutine MyClass::before redefined at [...]/5.22.0/Role/Tiny.pm line 58.
Subroutine MyClass::after redefined at [...]/5.22.0/Role/Tiny.pm line 58.
Subroutine MyClass::around redefined at [...]/5.22.0/Role/Tiny.pm line 58.
Subroutine MyClass::with redefined at [...]/5.22.0/Role/Tiny.pm line 67.

##</code><code>##

package MyClass::Child;

use Moo::Role;

sub foo { die 'horribly'; }
sub bar { return 'bar'; }

1;

##</code><code>##

package MyClass;

use Moo;
use Role::Tiny();

sub BUILD {
    my $self = shift;

    Role::Tiny->apply_roles_to_object( $self, 'MyClass::Child' );

    return $self;
};

sub foo { return 'foo'; }

1;

##</code><code>##

$ perl -MMyClass -E '$o = MyClass->new; say $o->foo, $o->bar;'
horribly at MyClass/Child.pm line 5.

##</code><code>##

package MyClass;

use Moo;
use Role::Tiny();

sub BUILD {
    my $self = shift;

    Role::Tiny->apply_roles_to_package( __PACKAGE__, 'MyClass::Child' );

    return $self;
};

sub foo { return 'foo'; }

1;

##</code><code>##

$ perl -MMyClass -E '$o = MyClass->new; say $o->foo, $o->bar;'
foobar