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

one use

	github.com/gotd/td/tg (current package)
		tl_channel_participant_slices_gen.go#L217: func (s ChannelParticipantArray) Retain(keep func(x ChannelParticipant) bool) ChannelParticipantArray {