use assembunny::*; use errors::*; pub fn solve(input: &str) -> Result { let instructions: Instructions = input.parse()?; let mut registers = Registers::new(); registers[Register::A] = 12; let assembunny = Assembunny{registers: registers, instructions: instructions}; let registers = assembunny.last().ok_or("")?; let a = registers[Register::A]; Ok(a.to_string()) }