102 lines
2.5 KiB
Rust
102 lines
2.5 KiB
Rust
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use std::{
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fs::{File, OpenOptions},
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io::Write,
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process,
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};
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const MODULE_TEMPLATE: &str = r###"pub fn part_one(input: &str) -> u32 {
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0
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}
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pub fn part_two(input: &str) -> u32 {
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0
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}
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fn main() {
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aoc::solve!(&aoc::read_file("inputs", DAY), part_one, part_two)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_part_one() {
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use aoc::read_file;
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let input = read_file("examples", DAY);
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assert_eq!(part_one(&input), 0);
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}
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#[test]
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fn test_part_two() {
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use aoc::read_file;
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let input = read_file("examples", DAY);
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assert_eq!(part_two(&input), 0);
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}
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}
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"###;
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fn parse_args() -> Result<u8, pico_args::Error> {
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let mut args = pico_args::Arguments::from_env();
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args.free_from_str()
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}
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fn safe_create_file(path: &str) -> Result<File, std::io::Error> {
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OpenOptions::new().write(true).create_new(true).open(path)
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}
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fn main() {
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let day = match parse_args() {
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Ok(day) => day,
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Err(_) => {
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eprintln!("Need to specify a day (as integer). example: `cargo scaffold 7`");
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process::exit(1);
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}
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};
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let day_padded = format!("{:02}", day);
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let input_path = format!("src/inputs/{}.txt", day);
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let example_path = format!("src/examples/{}.txt", day);
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let module_path = format!("src/bin/{}.rs", day);
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let mut file = match safe_create_file(&module_path) {
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Ok(file) => file,
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Err(e) => {
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eprintln!("Failed to create module file: {}", e);
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process::exit(1);
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}
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};
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match file.write_all(MODULE_TEMPLATE.replace("DAY", &day_padded).as_bytes()) {
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Ok(_) => {
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println!("Created module file \"{}\"", &module_path);
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}
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Err(e) => {
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eprintln!("Failed to write module contents: {}", e);
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process::exit(1);
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}
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}
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match safe_create_file(&input_path) {
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Ok(_) => {
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println!("Created empty input file \"{}\"", &input_path);
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}
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Err(e) => {
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eprintln!("Failed to create input file: {}", e);
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process::exit(1);
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}
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}
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match safe_create_file(&example_path) {
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Ok(_) => {
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println!("Created empty example file \"{}\"", &example_path);
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}
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Err(e) => {
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eprintln!("Failed to create example file: {}", e);
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process::exit(1);
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}
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}
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println!("---");
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println!("🎄 Type `cargo run --bin {}` to run your solution.", &day);
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}
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