Added support of anonymous value reference

dotnet · Aug 14, 2024 · b2187bc · b2187bc
1 parent 2eaf742
commit b2187bc
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Showing 2 changed files with 24 additions and 0 deletions.
diff --git a/src/DotNext.Tests/Runtime/ValueReferenceTests.cs b/src/DotNext.Tests/Runtime/ValueReferenceTests.cs
@@ -94,6 +94,16 @@ public static void ImmutableEmptyRef()
         Null(reference.ToString());
     }
 
+    [Fact]
+    public static void AnonymousValue()
+    {
+        var reference = new ValueReference<int>(42);
+        Equal(42, reference.Value);
+
+        ReadOnlyValueReference<int> roRef = reference;
+        Equal(42, roRef.Value);
+    }
+
     private record class MyClass : IResettable
     {
         internal int Field;

diff --git a/src/DotNext/Runtime/ValueReference.cs b/src/DotNext/Runtime/ValueReference.cs
@@ -28,6 +28,20 @@ public ValueReference(T[] array, int index)
     {
     }
 
+    private ValueReference(StrongBox<T> box)
+        : this(box, ref box.Value!)
+    {
+    }
+
+    /// <summary>
+    /// Creates a reference to the anonymous value.
+    /// </summary>
+    /// <param name="value">The anonymous value.</param>
+    public ValueReference(T value)
+        : this(new StrongBox<T> { Value = value })
+    {
+    }
+
     /// <summary>
     /// Gets a value indicating that is reference is empty.
     /// </summary>