This SO post does a decent job and answering this question: http://stackoverflow.com/questions/2672791/is-functional-gui-programming-possible http://stackoverf

This SO post does a decent job and answering this question: http://stackoverflow.com/questions/2672791/is-functional-gui-programming-possible http://stackoverflow.com/questions/2672791/is-functional-gui... It's also worth noting that frameworks such as Java's Swing are somehow functional in their architectural style, if not in their implementation.