Namespace.pm

package TestApp::Controller::Namespace;
use Moose;

BEGIN { extends 'Catalyst::Controller' }

sub main :Local {
    my ($self, $c) = @_;
    $c->stash( name => 'Bob' );
}

__PACKAGE__->meta->make_immutable;
1;

Root.pm

package TestApp::Controller::Root;
use Moose;

BEGIN { extends 'Catalyst::Controller' }

__PACKAGE__->config(namespace => q{});


sub main :Path {
    my ($self, $c) = @_;
    $c->stash( name => 'Dave' );
}

sub end : ActionClass('RenderView') {}

__PACKAGE__->meta->make_immutable;

TestApp.pm

package TestApp;
use Moose;
use namespace::autoclean;

use Catalyst;
extends 'Catalyst';

__PACKAGE__->config(
    default_view => 'HTML'
);

__PACKAGE__->setup;

1;