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dry solution! macro implementation #48

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merged 2 commits into from
Dec 6, 2023
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dry solution! macro implementation #48

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b26dc34
dry solution! macro
tguichaoua Dec 6, 2023
ad43af3
hygienize `solution!` macro
tguichaoua Dec 6, 2023
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33 changes: 11 additions & 22 deletions src/template/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -39,34 +39,23 @@ pub fn read_file_part(folder: &str, day: Day, part: u8) -> String {
#[macro_export]
macro_rules! solution {
($day:expr) => {
/// The current day.
const DAY: advent_of_code::template::Day = advent_of_code::day!($day);

fn main() {
use advent_of_code::template::runner::*;
let input = advent_of_code::template::read_file("inputs", DAY);
run_part(part_one, &input, DAY, 1);
run_part(part_two, &input, DAY, 2);
}
$crate::solution!(@impl $day, [part_one, 1] [part_two, 2]);
};
($day:expr, 1) => {
/// Allows solving part one in isolation
const DAY: advent_of_code::template::Day = advent_of_code::day!($day);

fn main() {
use advent_of_code::template::runner::*;
let input = advent_of_code::template::read_file("inputs", DAY);
run_part(part_one, &input, DAY, 1);
}
$crate::solution!(@impl $day, [part_one, 1]);
};
($day:expr, 2) => {
/// Allows solving part two in isolation
const DAY: advent_of_code::template::Day = advent_of_code::day!($day);
$crate::solution!(@impl $day, [part_two, 2]);
};

(@impl $day:expr, $( [$func:expr, $part:expr] )*) => {
/// The current day.
const DAY: $crate::template::Day = $crate::day!($day);

fn main() {
use advent_of_code::template::runner::*;
let input = advent_of_code::template::read_file("inputs", DAY);
run_part(part_two, &input, DAY, 2);
use $crate::template::runner::*;
let input = $crate::template::read_file("inputs", DAY);
$( run_part($func, &input, DAY, $part); )*
}
};
}