Something lense-ish would be [really](https://github.com/joshaber/Few/blob/0ed794d7e3c2102466b9621142ce3bd44a2de962/FewDemo/DemoComponent1.swift#L95) [nice](https://github.com/joshaber/Few/blob/0ed794d7e3c2102466b9621142ce3bd44a2de962/FewDemo/DemoComponent1.swift#L110).
