dcoles

use std::fmt::Debug;

pub trait State: Debug {
    fn execute(&self) -> Transition;
}

pub trait TransitionTo<S: State + 'static>: State {
    fn transition_to(&self, to: &'static S) -> Transition {
        Transition { to }
    }

dcoles

# Print the number of bytes unread in a fifo.
# David Coles <coles.david@gmail.com>

import argparse
import ctypes
import fcntl
import os
import sys
import termios

dcoles

#!/usr/bin/env python

# POSIX Alarm Timer example using Python ctypes
#
# Author: David Coles <coles.david@gmail.com>
# Date: 2012-03-19
#
# To the extent possible under law, the author(s) have dedicated all copyright 
# and related and neighboring rights to this software to the public domain 
# worldwide. This software is distributed without any warranty.

dcoles

fn main() {
    let input = read_input_from_file("day01/input.txt").unwrap();

    // Part 1
    let mut count = 0;
    let mut last = -1;
    for &n in &input {
        if n > last {
            count += 1;
        }

dcoles

"""
By only adding + - * into the string 452874 (in that order),
how many way can you get to -18?
"""

N = "452874"
M = -18

OPERATIONS = [None, '+', '-', '*']

dcoles

import ctypes
import sys
import os
import errno

FUNC = ctypes.CFUNCTYPE(None)

PROT_NONE = 0
PROT_READ = 1
PROT_WRITE = 2