setup-day

#!/bin/sh

if [ $# != 1 ]; then
    echo "Usage: $(basename "$0") <day-number>" >&2
    exit 1
fi
#if [ ! -d .git ]; then
#    echo "must be run from root of advent-of-code repository" >&2
#    exit 1
#fi

name="$(printf "aoc%02d" "$1")"
cargo new --bin "$name"
mkdir "$name/input"
touch "$name/input/input.txt"

# write template to source file
cat >"$name/src/main.rs" <<EOM
use std::error::Error;
use std::io::{self, Read, Write};
use std::time::Instant;

#[allow(unused_macros)]
macro_rules! err {
    (\$(\$tt:tt)*) => { Err(Box::<dyn Error>::from(format!(\$(\$tt)*))) }
}

type Result<T> = ::std::result::Result<T, Box<dyn Error>>;

fn part1() -> Result<()> {
    let _start = Instant::now();

    writeln!(io::stdout(), "> Time elapsed is: {:?}", _start.elapsed())?;
    todo!()
}

fn main() -> Result<()>{
    let mut input = String::new();
    io::stdin().read_to_string(&mut input)?;

    // part1()?;
    // part2()?;
    Ok(())
}

#[test]
fn example_input() {
    assert_eq!(1, 1);
}

#[test]
fn real_input() {
    let input = std::fs::read_to_string("input/input.txt").unwrap();
    assert_eq!(2, 2);
}

EOM

# template
# use std::error::Error;
# use std::io::{self, Read, Write};

# macro_rules! err {
#     ($($tt:tt)*) => { Err(Box::<dyn Error>::from(format!($($tt)*))) }
# }

# type Result<T> = ::std::result::Result<T, Box<dyn Error>>;

# fn part1() -> Result<()> {
#     let _start = Instant::now();

#     writeln!(io::stdout(), "> Time elapsed is: {:?}", _start.elapsed())?;
#     todo!()
# }

# fn main() -> Result<()>{
#     let mut input = String::new();
#     io::stdin().read_to_string(&mut input)?;

#     // part1()?;
#     // part2()?;
#     Ok(())
# }
#
# #[test]
# fn example_input() {
#     assert_eq!(1, 1);
# }

# #[test]
# fn real_input() {
#     let input = std::fs::read_to_string("input/input.txt").unwrap();
#     assert_eq!(2, 2);
# }