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aoc2023
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solution: day 19 clean

This commit is contained in:
Matej Janezic 2023-12-19 18:12:27 +01:00
parent 00000350d1
commit 00000360db
Signed by: janezicmatej
GPG Key ID: 4298E230ED37B2C0
1 changed files with 5 additions and 5 deletions
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10
src/bin/19.rs
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@ -98,18 +98,18 @@ impl TryFrom<&str> for WorkflowInner {
type Error = ParseWorkflowInnerError;
fn try_from(value: &str) -> Result<Self, Self::Error> {
if !value.contains(':') {
return Ok(WorkflowInner::Resolver(Resolver::from(value)));
return Ok(WorkflowInner::Resolver(value.into()));
}
let (rest, resolver) = value.split_once(':').unwrap();
let resolver = Resolver::from(resolver);
let resolver = resolver.into();
let (gear, number) = rest.split_once(|x| x == '<' || x == '>').unwrap();
let gear = Gear::try_from(gear).map_err(|_| ParseWorkflowInnerError)?;
let gear = gear.try_into().map_err(|_| ParseWorkflowInnerError)?;
let number = number.parse().map_err(|_| ParseWorkflowInnerError)?;
let comparator = if value.contains('<') { '<' } else { '>' };
let comparator = Comparator::try_from(comparator).map_err(|_| ParseWorkflowInnerError)?;
let comparator = comparator.try_into().map_err(|_| ParseWorkflowInnerError)?;
Ok(WorkflowInner::Rule((gear, comparator, number, resolver)))
}
@ -301,7 +301,7 @@ fn build_map(input: &str) -> HashMap<&str, Workflow> {
.lines()
.filter_map(|x| x.strip_suffix('}'))
.filter_map(|x| x.split_once('{'))
.filter_map(|(s, w)| Workflow::try_from(w).ok().map(|x| (s, x)))
.filter_map(|(s, w)| w.try_into().ok().map(|x| (s, x)))
{
map.insert(s, w);
}