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Cleaner parsing for day13

This commit is contained in:
Jan-Bulthuis 2024-12-14 01:24:41 +01:00
parent 2cf47fd7d6
commit f9c32f0022
1 changed files with 3 additions and 4 deletions
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7
aoc_2024/src/day13.rs
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@ -1,7 +1,7 @@
use aoc_runner_derive::{aoc, aoc_generator}; use aoc_runner_derive::{aoc, aoc_generator};
use nom::bytes::complete::tag; use nom::bytes::complete::tag;
use nom::character::complete::{i64 as parse_u64, multispace0}; use nom::character::complete::i64 as parse_u64;
use nom::multi::many0; use nom::multi::separated_list0;
use nom::IResult; use nom::IResult;
#[derive(Debug, Clone, Copy)] #[derive(Debug, Clone, Copy)]
@ -15,7 +15,7 @@ type Input = Vec<Case>;
#[aoc_generator(day13)] #[aoc_generator(day13)]
fn parse(input: &str) -> Input { fn parse(input: &str) -> Input {
many0(parse_case)(input).unwrap().1 separated_list0(tag("\n\n"), parse_case)(input).unwrap().1
} }
fn parse_case(input: &str) -> IResult<&str, Case> { fn parse_case(input: &str) -> IResult<&str, Case> {
@ -31,7 +31,6 @@ fn parse_case(input: &str) -> IResult<&str, Case> {
let (input, prize_x) = parse_u64(input)?; let (input, prize_x) = parse_u64(input)?;
let (input, _) = tag(", Y=")(input)?; let (input, _) = tag(", Y=")(input)?;
let (input, prize_y) = parse_u64(input)?; let (input, prize_y) = parse_u64(input)?;
let (input, _) = multispace0(input)?;
Ok(( Ok((
input, input,