start 04 traits, completed upto 10

exercises/04_traits/05_trait_bounds/src/lib.rs

@@ -5,8 +5,13 @@
 // different _semantics_. We'll cover those differences later in the course when we talk about ordered
 // collections (e.g. BTreeMap).
 
+use std::cmp::PartialOrd;
+use std::fmt::Debug;
 /// Return the minimum of two values.
-pub fn min<T>(left: T, right: T) -> T {
+pub fn min<T>(left: T, right: T) -> T
+where
+    T: Debug + Clone + PartialOrd,
+{
     if left <= right {
         left
     } else {