1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/hashlib.h b/kernel/hashlib.h
index 592d6e577..5c87b55f5 100644
--- a/kernel/hashlib.h
+++ b/kernel/hashlib.h
@@ -207,6 +207,7 @@ class dict
 		entry_t() { }
 		entry_t(const std::pair<K, T> &udata, int next) : udata(udata), next(next) { }
 		entry_t(std::pair<K, T> &&udata, int next) : udata(std::move(udata)), next(next) { }
+		bool operator<(const entry_t &other) const { return udata.first < other.udata.first; }
 	};
 
 	std::vector<int> hashtable;
@@ -615,6 +616,15 @@ public:
 		return !operator==(other);
 	}
 
+	unsigned int hash() const {
+		unsigned int h = mkhash_init;
+		for (auto &entry : entries) {
+			h ^= hash_ops<K>::hash(entry.udata.first);
+			h ^= hash_ops<T>::hash(entry.udata.second);
+		}
+		return h;
+	}
+
 	void reserve(size_t n) { entries.reserve(n); }
 	size_t size() const { return entries.size(); }
 	bool empty() const { return entries.empty(); }