make QString std::hashable

mixxxdj · Feb 10, 2021 · de8f99d · de8f99d
1 parent 5edcf73
commit de8f99d
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/library/browse/foldertreemodel.h b/src/library/browse/foldertreemodel.h
@@ -9,12 +9,21 @@
 #include <QThreadPool>
 #include <QQueue>
 
+#include <functional>
 #include <unordered_map>
 
 #include "library/treeitemmodel.h"
 #include "library/treeitem.h"
 #include "util/mutex.h"
 
+namespace std {
+  template<> struct hash<QString> {
+    std::size_t operator()(const QString& s) const noexcept {
+      return (size_t) qHash(s);
+    }
+  };
+}
+
 class TreeItem;
 // This class represents a folder item within the Browse Feature
 // The class is derived from TreeItemModel to support lazy model