[mmastrac]

Literally that, it would throw exceptions with the compiler error. And as a sibling comment mentioned and I had forgotten -- it would allow for hotpatching code at runtime as you fixed compiler errors.

You could literally start the skeleton of a webserver and gradually add functionality to it without recompiling and it would mostly "just work". Certain changes would require the app to be restarted.

[cies]

CRTL-SHIFT-F9 (IntelliJ) works for me on most Java and Kotlin code in IntelliJ, as long as no method/class signatures are changed.