the practical programmer is lazy and not passionate. More, he loose the more important skill he have: think. He build softawre by copy pasting from stack overflow.
I am not saying use every nee cool tech posted on HN, but if something looks great for you, you should investigate in it. I am not saying put it on production tomorrow... But if you have similar broblem, look how it works to have a different view of how to build a better solution...
Quitting is ctrl+d
Ctrl+c is for interrupting the current job.
Some repl like the mysql cli does not rrspect that and it is a PITA