fix broken gitignore

.gitignore

@@ -7,3 +7,6 @@ target/
 
 *.o
 *.gcda
+
+# Specific days
+!day10/src/input.rs

day10/src/input.rs

@@ -0,0 +1,80 @@
+use std::{
+    io::{
+	BufRead,
+    },
+};
+
+pub fn test(input: impl IntoIterator<Item=Int>)
+{
+    for x in input
+    {
+	if !(0..=255).contains(&x) {
+	    panic!("Overflew u8: {}", x);
+	} else {
+	    println!(" -> {} OK", x);
+	}
+    }
+}
+
+
+pub type Int = u8;
+
+/// Read the real input from a file
+pub fn read_input<'r, R: BufRead+ 'r>(from: R) -> impl Iterator<Item=Int> + 'r
+{
+    from.lines().filter_map(|x| x.ok().map(|y| y.parse().ok()).flatten())
+}
+
+/// Get the test input
+pub fn test_input() -> impl Iterator<Item=Int>
+{
+    return TEST_INPUT_2.iter().copied()
+}
+
+const TEST_INPUT: &[Int] = &[
+    16,
+    10,
+    15,
+    5,
+    1,
+    11,
+    7,
+    19,
+    6,
+    12,
+    4,
+];
+
+const TEST_INPUT_2: &[Int] = &[
+    28,
+    33,
+    18,
+    42,
+    31,
+    14,
+    46,
+    20,
+    48,
+    47,
+    24,
+    23,
+    49,
+    45,
+    19,
+    38,
+    39,
+    11,
+    1,
+    32,
+    25,
+    35,
+    8,
+    17,
+    7,
+    9,
+    4,
+    2,
+    34,
+    10,
+    3, 
+];