Observable#delete_observer

delete_observer(observer)

# File tmp/rubies/ruby-3.3.0/lib/observer.rb, line 166
def delete_observer(observer)
  @observer_peers.delete observer if defined? @observer_peers
end

Remove observer as an observer on this object so that it will no longer receive notifications.

observer: An observer of this Observable

See also #count_observers #delete_observers #changed? #notify_observers also in 3.2 · 3.1 · 3.0

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