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

one use

	github.com/gotd/td/tg (current package)
		tl_messages_emoji_groups_slices_gen.go#L57: func (s MessagesEmojiGroupsClassArray) Retain(keep func(x MessagesEmojiGroupsClass) bool) MessagesEmojiGroupsClassArray {