GUI programming is fine in purely functional programming, see for example elm[0], where you have a Model - Update - View paradigm to build frontends. Another ex

GUI programming is fine in purely functional programming, see for example elm[0], where you have a Model - Update - View paradigm to build frontends. Another example of GUI programming in Pure FP is functional reactive programming[1]. [0] https://elm-lang.org/ https://elm-lang.org/ [1] https://en.wikipedia.org/wiki/Functional_reactive_programming https://en.wikipedia.org/wiki/Functional_reactive_programmin...