MooX::Role::EventEmitter - Event emitter role
package My::Thing;
use 5.020;
use feature 'signatures';
no warnings 'experimental::signatures';
use Moo 2;
with 'MooX::RoleEventEmitter';
sub event_received( $self, $ev ) {
$self->emit( myevent => $ev );
}
# ... later, in your client
package main;
my $foo = My::Thing->new();
$foo->on( myevent => sub( $ev ) {
say "I receivend an event";
});
Emit an event
Check if an event has subscribers.
my $cb = $obj->on( myevent => sub { ... });
Subscribe to an event.
my $cb = $obj->once( myevent => sub { ... });
Subscribe to an event for just one event.
my $s = $obj->subscribers( 'myevent' );
Return an arrayref of the subscribers for an event.
$obj->unsubscribe('myevent', $cb); # a specific callback
$obj->unsubscribe('myevent'); # all callbacks
Unsubscribe from event.
Mojo::EventEmitter - the module this API is based on