QML [1] is an interesting example of declarative programming. It allows constraints and relationships to be defined and the runtime will do the rest. Perhaps it

QML [1] is an interesting example of declarative programming. It allows constraints and relationships to be defined and the runtime will do the rest. Perhaps it's not as powerful as other languages but in its domain it does very well. [1] https://en.wikipedia.org/wiki/Qt_Modeling_Language https://en.wikipedia.org/wiki/Qt_Modeling_Language