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

one use

	github.com/gotd/td/tg (current package)
		tl_update_slices_gen.go#L10214: func (s UpdateChannelViewForumAsMessagesArray) Retain(keep func(x UpdateChannelViewForumAsMessages) bool) UpdateChannelViewForumAsMessagesArray {