feat: derive PartialOrd, Ord, and Hash on RegisterIndex (#425)

vezenovm · web-flow · commit 7f6b0dc138c4 · 2023-07-11T17:31:15.000Z
diff --git a/brillig/src/opcodes.rs b/brillig/src/opcodes.rs
@@ -3,7 +3,7 @@ use serde::{Deserialize, Serialize};
 
 pub type Label = usize;
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
 pub struct RegisterIndex(pub usize);
 
 /// `RegisterIndex` refers to the index in VM register space.
