github.com/gotd/td/tg.ChannelAdminLogEventActionPinTopicArray.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_channel_admin_log_event_action_slices_gen.go#L3922: func (s ChannelAdminLogEventActionPinTopicArray) Retain(keep func(x ChannelAdminLogEventActionPinTopic) bool) ChannelAdminLogEventActionPinTopicArray {