polish

src/assignments/assignment01/small_exercises.rs

@@ -0,0 +1,12 @@
+//! Assignment 1: Preparing Rust Development Environment.
+//! Welcome to the CS220 course!
+
+/// Adds two unsigned words. If overflow happens, just wrap around.
+pub fn add(lhs: usize, rhs: usize) -> usize {
+    todo!()
+}
+
+/// Subtracts two unsigned words. If overflow happens, just wrap around.
+pub fn sub(lhs: usize, rhs: usize) -> usize {
+    todo!()
+}