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

one use

	github.com/gotd/td/tg (current package)
		tl_channel_participant_slices_gen.go#L683: func (s ChannelParticipantLeftArray) Retain(keep func(x ChannelParticipantLeft) bool) ChannelParticipantLeftArray {