Guard RefCounted.opAssign(T)

Needed for std.container.array now `move` target requires mutable T.
dlang · Jul 27, 2024 · 344a1fc · 344a1fc
1 parent dad7820
commit 344a1fc
Showing 1 changed file with 13 additions and 10 deletions.
diff --git a/std/typecons.d b/std/typecons.d
@@ -10928,19 +10928,22 @@ struct RefCounted(T, RefCountedAutoInitialize autoInit =
         swap(_refCounted._store, rhs._refCounted._store);
     }
 
-    void opAssign(T rhs)
+    static if (__traits(compiles, lvalueOf!T = T.init))
     {
-        import std.algorithm.mutation : move;
-
-        static if (autoInit == RefCountedAutoInitialize.yes)
-        {
-            _refCounted.ensureInitialized();
-        }
-        else
+        void opAssign(T rhs)
         {
-            assert(_refCounted.isInitialized);
+            import std.algorithm.mutation : move;
+
+            static if (autoInit == RefCountedAutoInitialize.yes)
+            {
+                _refCounted.ensureInitialized();
+            }
+            else
+            {
+                assert(_refCounted.isInitialized);
+            }
+            move(rhs, _refCounted._store._payload);
         }
-        move(rhs, _refCounted._store._payload);
     }
 
     static if (autoInit == RefCountedAutoInitialize.yes)