1 files changed, 18 insertions, 0 deletions
diff --git a/src/maps/hash.h b/src/maps/hash.h
new file mode 100644
index 0000000..15ce3fe
--- /dev/null
+++ b/src/maps/hash.h
@@ -0,0 +1,18 @@
+#ifndef HASH_H
+#define HASH_H
+
+#include <string>
+
+using namespace std;
+
+struct hash
+{
+  int operator()(string s_key) const;
+};
+
+struct hashmap_allocator
+{
+  bool operator()(string s_key_1, string s_key_2) const;
+};
+
+#endif