diff --git a/s8slice.h b/s8slice.h
index eb8ccfe..2f6847f 100644
--- a/s8slice.h
+++ b/s8slice.h
@@ -37,3 +37,11 @@ static inline S8Slice s8slice(const S8Slice* s, int64_t begin, int64_t end)
         .data = &s->data[begin]
     };
 }
+
+static bool s8_equals(S8Slice a, S8Slice b)
+{
+    if (a.len != b.len) {
+        return false;
+    }
+    return memcmp(a.data, b.data, a.len);
+}