diff --git a/src/lib.rs b/src/lib.rs
index 571ecf6..d4b8b23 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -119,7 +119,7 @@
     Literal(Literal),
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum Delimiter {
     Parenthesis,
     Brace,
@@ -148,7 +148,7 @@
     }
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum OpKind {
     Alone,
     Joint,