libcore|Block: std::hash function for Block

skyjake · Sep 1, 2019 · 22edb11 · 22edb11
1 parent 548af76
commit 22edb11
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/doomsday/libs/core/include/de/data/block.h b/doomsday/libs/core/include/de/data/block.h
@@ -235,4 +235,14 @@ Block md5Hash(Args... args)
 
 } // namespace de
 
+namespace std
+{
+    template<>
+    struct hash<de::Block> {
+        std::size_t operator()(const de::Block &key) const {
+            return hash<std::string>()({key.data(), key.data() + key.size()});
+        }
+    };
+}
+
 #endif // LIBCORE_BLOCK_H