day2

1 files changed, 8 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 6befee8..2f99150 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,9 +4,15 @@ pub fn read_file(day: u8) -> String {
     std::fs::read_to_string(filename).unwrap()
 }
 
-pub fn read_numbers(day: u8) -> Vec<usize> {
+pub fn read_lines(day: u8) -> Vec<String> {
     read_file(day).split('\n')
                   .filter(|n| !n.is_empty())
-                  .map(|n| n.parse::<usize>().unwrap())
+                  .map(String::from)
                   .collect()
 }
+
+pub fn read_numbers(day: u8) -> Vec<usize> {
+    read_lines(day).iter()
+                   .map(|n| n.parse::<usize>().unwrap())
+                   .collect()
+}