Method get_mode

2019/src/intcoder.rs:86–94

(&self, offset: i64)

  }

  fn get_mode(&self, offset: i64) -> i64 {
    let d = match offset {
      1 => 100,
      2 => 1000,
      3 => 10000,
      _ => unreachable!(),
    };
    self.get(self.pc) / d % 10
  }

  fn fetch_adr(&self, offset: i64) -> i64 {
    let value = self.get(self.pc + offset);