feat: add ToErrorOr extension method for error arrays

Signed-off-by: Kenny Pflug <kenny.pflug@live.de>

src/ErrorOr/ErrorOr.ToErrorOrExtensions.cs

@@ -27,4 +27,14 @@ public static ErrorOr<TValue> ToErrorOr<TValue>(this List<Error> errors)
     {
         return errors;
     }
+
+    /// <summary>
+    /// Creates an <see cref="ErrorOr{TValue}"/> instance with the given <paramref name="errors"/>.
+    /// </summary>
+    /// <exception cref="ArgumentNullException">Thrown when <paramref name="errors"/> is null.</exception>
+    /// <exception cref="InvalidOperationException">Thrown when <paramref name="errors" /> is an empty array.</exception>
+    public static ErrorOr<TValue> ToErrorOr<TValue>(this Error[] errors)
+    {
+        return errors;
+    }
 }

tests/ErrorOr/ErrorOr.ToErrorOrTests.cs

@@ -46,4 +46,15 @@ public void ListOfErrorsToErrorOr_WhenAccessingErrors_ShouldReturnSameErrors()
         result.IsError.Should().BeTrue();
         result.Errors.Should().BeEquivalentTo(errors);
     }
+
+    [Fact]
+    public void ArrayOfErrorsToErrorOr_WhenAccessingErrors_ShouldReturnSimilarErrors()
+    {
+        Error[] errors = [Error.Unauthorized(), Error.Validation()];
+
+        ErrorOr<int> result = errors.ToErrorOr<int>();
+
+        result.IsError.Should().BeTrue();
+        result.Errors.Should().Equal(errors);
+    }
 }