switched to workspaces.

This should let me make a cross-day library.

template/Cargo.toml

@@ -0,0 +1,5 @@
+[package]
+name = "template"
+authors.workspace = true
+description.workspace = true
+version.workspace = true

template/src/main.rs

@@ -0,0 +1,16 @@
+//TODO:
+#![allow(dead_code)]
+mod part1;
+mod part2;
+mod utilities;
+
+fn main() {
+    let input = include_str!("./input.txt");
+    let structured_input = utilities::parse(input);
+
+    println!("Part One");
+    println!("Result: {}", part1::part1());
+
+    println!("Part Two");
+    println!("Result: {}", part2::part2());
+}

template/src/part1.rs

@@ -0,0 +1,17 @@
+//TODO:
+#![allow(unused)]
+use crate::utilities::*;
+
+pub fn part1() -> usize {
+    unimplemented!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_part1() {
+        assert_eq!(0, 0);
+    }
+}

template/src/part2.rs

@@ -0,0 +1,17 @@
+//TODO:
+#![allow(unused)]
+use crate::utilities::*;
+
+pub fn part2() -> usize {
+    unimplemented!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_part2() {
+        assert_eq!(0, 0);
+    }
+}

template/src/utilities.rs

@@ -0,0 +1,18 @@
+//TODO:
+#![allow(unused)]
+pub fn parse(input: &str) -> usize {
+    unimplemented!()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse() {
+        let input =
+"test"
+;
+        assert_eq!(0, 0);
+    }
+}