57 lines
1.6 KiB
Rust
57 lines
1.6 KiB
Rust
/*
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* This file contains template code.
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* There is no need to edit this file unless you want to change template functionality.
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*/
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use std::env;
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use std::fs;
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pub const ANSI_ITALIC: &str = "\x1b[3m";
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pub const ANSI_BOLD: &str = "\x1b[1m";
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pub const ANSI_RESET: &str = "\x1b[0m";
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use std::fmt::Display;
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use std::time::Duration;
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use std::time::Instant;
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fn time_solution<T>(func: impl FnOnce(&str) -> Option<T>, input: &str) -> Option<(T, Duration)> {
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let timer = Instant::now();
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let result = func(input);
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let elapsed = timer.elapsed();
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result.map(|result| (result, elapsed))
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}
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pub fn print_result<T: Display>(func: impl FnOnce(&str) -> Option<T>, input: &str, part: u8) {
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match time_solution(func, input) {
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Some((result, elapsed)) => {
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println!(
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"{}Part {}{}: {} {}(elapsed: {:.2?}){}",
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ANSI_BOLD, part, ANSI_RESET, result, ANSI_ITALIC, elapsed, ANSI_RESET
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);
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}
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None => {
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println!("{}Part {}{}: not solved.", ANSI_BOLD, part, ANSI_RESET)
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}
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}
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}
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#[macro_export]
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macro_rules! solution {
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($day:expr) => {
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fn main() {
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let input = aoc::template::read_file("inputs", $day);
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aoc::template::print_result(part_one, &input, 1);
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aoc::template::print_result(part_two, &input, 2);
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}
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};
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}
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#[must_use]
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pub fn read_file(folder: &str, day: u8) -> String {
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let cwd = env::current_dir().unwrap();
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let filepath = cwd.join("data").join(folder).join(format!("{day:02}.txt"));
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let f = fs::read_to_string(filepath);
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f.expect("could not open input file").trim().to_string()
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}
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