Adds Day 5 solution 1.

src/input/mod.rs

@@ -1,4 +1,4 @@
-use std::{io::{BufReader, BufRead}, fs::File, str::FromStr, path::{Path, PathBuf}};
+use std::{io::{BufReader, BufRead, Read}, fs::File, str::FromStr, path::{Path, PathBuf}};
 
 use crate::error::AdventError;
 
@@ -8,4 +8,13 @@ pub fn read_into_vec<T:FromStr>(file_path : &Path) -> Result<Vec<T>, AdventError
     let file = File::open(path).expect("no such file");
     let buf = BufReader::new(file);
     buf.lines().map(|line| T::from_str(line?.as_str()).map_err(Into::into)).collect::<Result<Vec<T>, AdventError>>()
+}
+
+pub fn read_into<T:FromStr>(file_path: &Path) -> Result<T, AdventError> where AdventError: From<<T as FromStr>::Err> {
+    let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    path.push(file_path);
+    let mut file = File::open(path).expect("no such file");
+    let mut str: String = "".to_string();
+    file.read_to_string(&mut str)?;
+    Ok(T::from_str(str.as_str())?)
 }