Doing some C learnin'.

Also, reformatted all the problems.

2016/day01/day01.rs

@@ -0,0 +1,42 @@
+use std::fmt;
+mod helpers;
+
+enum Direction {
+    North,
+    East,
+    South,
+    West
+}
+
+
+struct Position {
+    x: i32,
+    y: i32,
+    dir: Direction,
+}
+
+impl fmt::Display for Position {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "({}, {}: {})", self.x, self.y, string_dir(self.dir))
+    }
+}
+
+fn string_dir(d: Direction) -> String {
+    match d {
+        Direction::North => String::from("North"),
+        Direction::East => String::from("East"),
+        Direction::South => String::from("South"),
+        Direction::West => String::from("West"),
+    }
+}
+
+fn main() {
+    let input = helpers::read_std_in();
+    let split = input.split(",");
+    for mut s in split {
+        s = s.trim();
+        println!("{}", s);
+    }
+    let p = Position{ x: 0, y: 0, dir: Direction::North };
+    println!("{}", p)
+}

2016/day01/helpers.rs

@@ -0,0 +1,20 @@
+use std::io;
+
+pub fn read_std_in() -> String {
+    let mut input = String::new();
+    let mut done = false;
+    while !done {
+        match io::stdin().read_line(&mut input) {
+            Ok(n) => {
+                if n == 0 {
+                    done = true;
+                }
+            },
+            Err(error) => {
+                println!("error: {}", error);
+                done = true;
+            },
+        }
+    }
+    input
+}

2016/day01/input2

@@ -0,0 +1,15 @@
+R3, L5, R2, L1, L2, R5, L2, R2, L2, L2, L1, R2,
+L2, R4, R4, R1, L2, L3, R3, L1, R2, L2, L4, R4,
+R5, L3, R3, L3, L3, R4, R5, L3, R3, L5, L1, L2,
+R2, L1, R3, R1, L1, R187, L1, R2, R47, L5, L1,
+L2, R4, R3, L3, R3, R4, R1, R3, L1, L4, L1, R2,
+L1, R4, R5, L1, R77, L5, L4, R3, L2, R4, R5, R5,
+L2, L2, R2, R5, L2, R194, R5, L2, R4, L5, L4,
+L2, R5, L3, L2, L5, R5, R2, L3, R3, R1, L4, R2,
+L1, R5, L1, R5, L1, L1, R3, L1, R5, R2, R5, R5,
+L4, L5, L5, L5, R3, L2, L5, L4, R3, R1, R1, R4,
+L2, L4, R5, R5, R4, L2, L2, R5, R5, L5, L2, R4,
+R4, L4, R1, L3, R1, L1, L1, L1, L4, R5, R4, L4,
+L4, R5, R3, L2, L2, R3, R1, R4, L3, R1, L4, R3,
+L3, L2, R2, R2, R2, L1, L4, R3, R2, R2, L3, R2,
+L3, L2, R4, L2, R3, L4, R5, R4, R1, R5, R3