Initial commit.

src/input/mod.rs

@@ -0,0 +1,16 @@
+use std::{path::Path, io::{BufReader, BufRead, self}, fs::File};
+
+#[derive(Debug)]
+pub struct AdventError(String);
+
+impl From<io::Error> for AdventError {
+    fn from(e: io::Error) -> Self {
+        AdventError(e.to_string())
+    }
+}
+
+pub fn read_into_vec(path: &Path) -> Result<Vec<String>, AdventError> {
+    let file = File::open(path).expect("no such file");
+    let buf = BufReader::new(file);
+    buf.lines().map(|line| line.map_err(Into::into)).collect::<Result<Vec<String>, AdventError>>()
+}