#compdef ssh.zsh

function _ssh.zsh() {
	_arguments \
		':args: _alternative
			"hosts:hosts: _ssh_hosts"
			"users:users: _ssh.zsh_users -qS@"
			"domains:domains:($(virsh list --all --name))"'
}

_ssh.zsh_users () {
	_combination -s '[:@]' my-accounts users-hosts users "$@"
} 

_ssh.zsh "$@"