-
Notifications
You must be signed in to change notification settings - Fork 1
/
lib.rs
71 lines (64 loc) · 3.07 KB
/
lib.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
#![forbid(unsafe_code)]
#![crate_name = "advent_of_code"]
mod common;
#[cfg_attr(test, macro_use)]
mod input;
mod year2021;
use crate::input::{Input, Part};
// Never inline to prevent stack size from blowing up in release builds.
#[inline(never)]
fn to_stringer_input<T: ToString>(
function: fn(&mut Input) -> Result<T, String>,
input: &mut Input,
) -> Result<String, String> {
function(input).map(|value| value.to_string())
}
pub fn solve(day: u8, part: u8, input: &str) -> Result<String, String> {
if input.is_empty() {
return Err("No input provided".to_string());
} else if input.len() > 200_000 {
return Err("Input too large".to_string());
} else if !input.is_ascii() {
return Err("Non-ASCII input provided".to_string());
} else if !matches!(day, 1..=25) {
return Err("Invalid day provided".to_string());
}
let mut input = Input {
part: if part == 1 { Part::One } else { Part::Two },
text: input,
};
match day {
1 => to_stringer_input(year2021::day01::solve, &mut input),
2 => to_stringer_input(year2021::day02::solve, &mut input),
3 => to_stringer_input(year2021::day03::solve, &mut input),
4 => to_stringer_input(year2021::day04::solve, &mut input),
5 => to_stringer_input(year2021::day05::solve, &mut input),
6 => to_stringer_input(year2021::day06::solve, &mut input),
7 => to_stringer_input(year2021::day07::solve, &mut input),
8 => to_stringer_input(year2021::day08::solve, &mut input),
9 => to_stringer_input(year2021::day09::solve, &mut input),
10 => to_stringer_input(year2021::day10::solve, &mut input),
11 => to_stringer_input(year2021::day11::solve, &mut input),
12 => to_stringer_input(year2021::day12::solve, &mut input),
13 => to_stringer_input(year2021::day13::solve, &mut input),
14 => to_stringer_input(year2021::day14::solve, &mut input),
15 => to_stringer_input(year2021::day15::solve, &mut input),
16 => to_stringer_input(year2021::day16::solve, &mut input),
17 => to_stringer_input(year2021::day17::solve, &mut input),
18 => to_stringer_input(year2021::day18::solve, &mut input),
19 => to_stringer_input(year2021::day19::solve, &mut input),
20 => to_stringer_input(year2021::day20::solve, &mut input),
21 => to_stringer_input(year2021::day21::solve, &mut input),
22 => to_stringer_input(year2021::day22::solve, &mut input),
23 => to_stringer_input(year2021::day23::solve, &mut input),
24 => to_stringer_input(year2021::day24::solve, &mut input),
25 => to_stringer_input(year2021::day25::solve, &mut input),
_ => Err(format!("Unsupported day {}", day)),
}
}
/// A version of [solve](fn.solve.html) that takes strings as arguments and parses them to the required types.
pub fn solve_raw(day: &str, part: &str, input: &str) -> Result<String, String> {
let day = day.parse::<u8>().map_err(|_| "Invalid day")?;
let part = part.parse::<u8>().map_err(|_| "Invalid part")?;
solve(day, part, input)
}