diff --git a/src/traits/comparator.rs b/src/traits/comparator.rs
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/traits/mod.rs b/src/traits/mod.rs
index 962c0ad7e80408f192fe458fc2096d7c1f36df13..fb4a7b14ad387496c2539be1c2670821968f4824 100644
--- a/src/traits/mod.rs
+++ b/src/traits/mod.rs
@@ -1,4 +1,5 @@
 use crate::util::Slice;
 
 mod iterator;
+mod comparator;