Years ago I decided I wanted to be a violinist instead of a guitarist, I took lessons and practiced for hours every day. It was almost easier to learn than guitar because of the history of the instrument. So many great players, composers, teachers etc. have picked it up and produced some great works to be studied. Also, the discipline required to even approach the music has been sculpted by the great people of the past and it raises your level of concentration just to attempt it. It took me a year just to produce a somewhat acceptable tone from my bowing arm. It would have taken much longer if I didn't have a great teacher and great books written by great players. Iron sharpens iron.
The bowing technique you practice early on in the study of the instrument can be applied to the guitar instantly. We guitarists usually think of picking as being broken down into groups like strumming chords up, down or up and down or playing single notes with downstrokes, upstrokes, alternate picking or economy picking, the last two being more advanced techniques that are focused on a little later than the rest for beginners. Violinists are doing all those movements within the first month of practice. And in nearly every possible mutation.
Try this. Play an E minor chord. What did you do? Did you strum the chord? Did you arpeggiate it with a single downstroke or an upstroke? Did you alternate pick it in its entirety?
Take that E minor chord and play it one string at a time from the low E (thickest string) down to the high E (thinnest string) all with upstrokes (picking up towards the ceiling or sky, depending on where you are). Do it as fast as you can. Pretty weird feeling isn't it. Try it in reverse now. From the high E down to the low E with all downstrokes. Probably not as uncomfortable seeing as how strumming downward is the most natural feeling think on a guitar. A violin teacher would consider that a problem and prescribe you with exercises to remedy the situation.
Maybe you like sweep picking on guitar but are having a hard time making it melodic? Check out J.S Bachs Chaconne in D minor. Played here by Itzhak Perlman and starting at 5:11 you'll hear the Bariolage technique, much like sweep picking on guitar performed to perfection. Of course what makes this great is the fact it's amazing music.