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some slight refactor on day20 part 1

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This commit is contained in:
Dylan Thies
2023-12-21 08:31:18 -05:00
parent dec8cc3a00
commit 4e5fb867d3
1 changed files with 32 additions and 26 deletions
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58
2023/day-20/src/part1.rs
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@@ -21,6 +21,7 @@ enum ModuleType<'a> {
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
struct Module<'a> {
pub label: &'a str,
pub mod_type: ModuleType<'a>,
pub connections: Vec<&'a str>,
}
@@ -44,6 +45,34 @@ impl<'a> Module<'a> {
}
}
}
fn state_hash(&self) -> String {
match &self.mod_type {
ModuleType::Broadcast => (self.label).to_string(),
ModuleType::FlipFlop(is_on) => {
if *is_on {
self.label.to_uppercase()
} else {
self.label.to_lowercase()
}
}
ModuleType::Conjunction(last_froms_was_high) => {
"%".to_string()
+ self.label
+ &last_froms_was_high
.iter()
.map(|(key, value)| {
if *value {
key.to_uppercase()
} else {
key.to_lowercase()
}
})
.collect::<String>()
+ "%"
}
}
}
}
fn push_button<'a>(
@@ -89,32 +118,8 @@ fn push_button<'a>(
fn setup_to_key(setup: &BTreeMap<&str, Module>) -> String {
setup
.iter()
.map(|(label, module)| match &module.mod_type {
ModuleType::Broadcast => (*label).to_string(),
ModuleType::FlipFlop(is_on) => {
if *is_on {
label.to_uppercase()
} else {
label.to_lowercase()
}
}
ModuleType::Conjunction(map) => {
"%".to_string()
+ *label
+ &map
.iter()
.map(|(key, value)| {
if *value {
key.to_uppercase()
} else {
key.to_lowercase()
}
})
.collect::<String>()
+ "%"
}
})
.values()
.map(|module| module.state_hash())
.collect::<String>()
}
@@ -199,6 +204,7 @@ fn parse_line(input: &str) -> IResult<&str, (&str, Module)> {
(
label,
Module {
label,
mod_type,
connections,
},