Implement Invoke, Yield, and Return ops

Javascript functions can now return values.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ion.rs b/src/ion.rs
index cbfae24..65f5d23 100644
--- a/src/ion.rs
+++ b/src/ion.rs
@@ -18,7 +18,7 @@ pub enum IonType {
     Annotations = 0x0e,
 }
 
-#[derive(PartialOrd, PartialEq)]
+#[derive(PartialOrd, PartialEq, Clone)]
 pub struct IonValue(Vec<u8>);
 
 impl IonValue {