If you haven't worked with types before, you should pull the trigger. I say this because the real issue will be whether you like working in typed code or not.

If you haven't worked with types before, you should pull the trigger. I say this because the real issue will be whether you like working in typed code or not. If you learn you do (as I did, unexpectedly) you'll probably find yourself more productive _in general_ with it, and using it on projects of all sizes.