Versions in this module Expand all Collapse all v0 v0.0.1 Jul 5, 2021 Changes in this version + const ErrUnsubscribed + type Error string + func (e Error) Error() string + type Subscriber interface + Add func() Subscriber + Done func(err error) + Error func() error + OnUnsubscribe func(callback func()) + OnWait func(callback func()) + func New() Subscriber + type Subscription interface + Canceled func() bool + Subscribed func() bool + Unsubscribe func() + Wait func() error