pub fn quickroll<T: Rollable>(dice_format: &str) -> T where
T: DiceTotal<T>,
T: FromStr,
Rolls dice based on a 1d6 style string.
use one_d_six::quickroll;
let coin_flip: u8 = quickroll("1d2");
assert!(coin_flip == 1 || coin_flip == 2);
Panics if dice_format
is in an improper format.