5 files changed, 63 insertions, 0 deletions
diff --git a/2023/day-03/.projectile b/2023/day-03/.projectile
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/2023/day-03/.projectile
diff --git a/2023/day-03/Cargo.lock b/2023/day-03/Cargo.lock
new file mode 100644
index 0000000..17695b0
--- /dev/null
+++ b/2023/day-03/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day-03"
+version = "0.1.0"
diff --git a/2023/day-03/Cargo.toml b/2023/day-03/Cargo.toml
new file mode 100644
index 0000000..51cc795
--- /dev/null
+++ b/2023/day-03/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day-03"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2023/day-03/src/main.rs b/2023/day-03/src/main.rs
new file mode 100644
index 0000000..43891cd
--- /dev/null
+++ b/2023/day-03/src/main.rs
@@ -0,0 +1,38 @@
+#[derive(Debug)]
+struct Number {
+    position: (usize, usize),
+    string: String,
+}
+
+impl Number {
+}
+
+fn main() {
+    let input = include_str!("./sample.txt");
+    let v: Vec<Number> = input.lines()
+        .map(|line: &str| {
+            let numbers: Vec<&str> = line
+                .split(|c: char| { !c.is_alphanumeric() })
+                .filter(|v| { v.len() > 0 })
+                .collect();
+            numbers.iter().enumerate().map(|(idx, number)| {
+                line.match_indices(number).map(|(pos, string)| -> &mut Number {
+                    &mut Number {
+                        position: (idx, pos),
+                        string: String::from(string),
+                    }
+                }).collect()
+            }).collect()
+        })
+        .fold(vec!(), |acc: Vec<Number>, e| { acc.append(e) });
+    dbg!(v);
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    fn test_input() {
+        let _input = include_str!("./sample.txt");
+    }
+}
diff --git a/2023/day-03/src/sample.txt b/2023/day-03/src/sample.txt
new file mode 100644
index 0000000..b20187f
--- /dev/null
+++ b/2023/day-03/src/sample.txt
@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..