unittest for variant bug 16383

dlang · Aug 15, 2016 · a63348d · a63348d
1 parent 90e7fd0
commit a63348d
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/std/variant.d b/std/variant.d
@@ -2293,6 +2293,18 @@ unittest
     assert(depth(fb) == 3);
 }
 
+unittest
+{
+    // https://issues.dlang.org/show_bug.cgi?id=16383
+    class Foo {this() immutable {}};
+    alias V = Algebraic!(immutable Foo);
+
+    auto x = V(new immutable Foo).visit!(
+        (immutable(Foo) _) => 3
+    );
+    assert(x == 3);
+}
+
 unittest
 {
     // http://d.puremagic.com/issues/show_bug.cgi?id=5310