Also, just checking, but do you have up to date firmware? Some older versions had some bugs in the ES6 function implementation that could have caused a crash for arrow functions.
Generally Espruino should never crash such that Ctrl-C won't break out of whatever is running.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Also, just checking, but do you have up to date firmware? Some older versions had some bugs in the ES6 function implementation that could have caused a crash for arrow functions.
Generally Espruino should never crash such that
Ctrl-C
won't break out of whatever is running.