From 03c7d0a04c85c2f0713f5622af5f846fe0821283 Mon Sep 17 00:00:00 2001
From: Maciej Jur <maciej@kamoshi.org>
Date: Fri, 23 Dec 2022 17:12:57 +0100
Subject: [PATCH] 2022 day 23 parsing

---
 2022/rust/src/main.rs            |  3 +-
 2022/rust/src/solutions/day23.rs | 61 ++++++++++++++++++++++++++++++++
 2022/rust/src/solutions/mod.rs   |  1 +
 3 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100644 2022/rust/src/solutions/day23.rs

diff --git a/2022/rust/src/main.rs b/2022/rust/src/main.rs
index 48d3c80..46b2b13 100644
--- a/2022/rust/src/main.rs
+++ b/2022/rust/src/main.rs
@@ -24,5 +24,6 @@ fn main() {
     // solutions::day19::run();
     // solutions::day20::run();
     // solutions::day21::run();
-    solutions::day22::run();
+    // solutions::day22::run();
+    solutions::day23::run();
 }
diff --git a/2022/rust/src/solutions/day23.rs b/2022/rust/src/solutions/day23.rs
new file mode 100644
index 0000000..e578ec0
--- /dev/null
+++ b/2022/rust/src/solutions/day23.rs
@@ -0,0 +1,61 @@
+use std::collections::HashSet;
+use crate::utils;
+
+
+pub fn run() -> () {
+    let data = parse_data(&utils::read_lines(utils::Source::Day(23)));
+
+    println!("Day 23");
+    println!("Part 1: {}", solve1(&data));
+    println!("Part 2: {}", solve2(&data));
+}
+
+
+type Location = (isize, isize);
+
+
+fn solve1(data: &HashSet<Location>) -> i32 {
+    println!("{:?}", data);
+    1
+}
+
+fn solve2(data: &HashSet<Location>) -> i32 {
+    2
+}
+
+
+fn parse_data<T: AsRef<str>>(data: &[T]) -> HashSet<Location> {
+    data.iter()
+        .enumerate()
+        .flat_map(|(row, line)| line.as_ref()
+            .char_indices()
+            .filter(|&(_, c)| c == '#')
+            .map(move |(col, _)| (row as isize, col as isize))
+        )
+        .collect()
+}
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    static DATA: &[&str] = &[
+        ".....",
+        "..##.",
+        "..#..",
+        ".....",
+        "..##.",
+        ".....",
+    ];
+
+    #[test]
+    fn part1() {
+        assert_eq!(1, solve1(&parse_data(DATA)));
+    }
+
+    #[test]
+    fn part2() {
+        assert_eq!(2, solve2(&parse_data(DATA)));
+    }
+}
diff --git a/2022/rust/src/solutions/mod.rs b/2022/rust/src/solutions/mod.rs
index f396660..5d00381 100644
--- a/2022/rust/src/solutions/mod.rs
+++ b/2022/rust/src/solutions/mod.rs
@@ -20,3 +20,4 @@ pub mod day19;
 pub mod day20;
 pub mod day21;
 pub mod day22;
+pub mod day23;