Merge branch 'feature/enumerator' into develop

src/Annotations.cs

@@ -1,3 +1,6 @@
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
 #if JETBRAINS_ANNOTATIONS
 
 #else

src/ExpressionTreeToolkit.Core/AssemblyInfo.cs

@@ -1,4 +1,7 @@
-using System.Reflection;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System.Reflection;
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyTitle("ExpressionTreeToolkit.Core")]

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparer.Default.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 using System.Diagnostics.CodeAnalysis;

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.Equals.Action.1.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.Equals.Action.2.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.Equals.Action.3.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.Equals.Func.1.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.Equals.Func.2.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.Equals.Func.3.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.GetHashCode.Action.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.GetHashCode.Func.cs

@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 

src/ExpressionTreeToolkit.Core/ExpressionEqualityComparerExtensions.cs

@@ -1,4 +1,7 @@
-namespace ExpressionTreeToolkit
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+namespace ExpressionTreeToolkit
 {
     public static partial class ExpressionEqualityComparerExtensions
     {

src/ExpressionTreeToolkit.Core/ExpressionExtensions.AsEnumerable.cs

@@ -0,0 +1,35 @@
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+
+#if JETBRAINS_ANNOTATIONS
+using AllowNullAttribute = JetBrains.Annotations.CanBeNullAttribute;
+using DisallowNullAttribute = JetBrains.Annotations.NotNullAttribute;
+using AllowItemNullAttribute = JetBrains.Annotations.ItemCanBeNullAttribute;
+#endif
+
+namespace ExpressionTreeToolkit
+{
+    public static partial class ExpressionExtensions
+    {
+        public static IEnumerable<Expression> AsEnumerable([DisallowNull] this Expression source)
+        {
+            if (source == null)
+            {
+                throw new ArgumentNullException(nameof(source));
+            }
+
+            if (source is IEnumerable<Expression> enumerable)
+            {
+                return enumerable;
+            }
+
+            return ExpressionIterator.Default.Iterator(source);
+        }
+    }
+}

src/ExpressionTreeToolkit.Core/ExpressionExtensions.cs

@@ -0,0 +1,10 @@
+// Copyright (c) 2018 Alessio Gogna
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+
+namespace ExpressionTreeToolkit
+{
+    public static partial class ExpressionExtensions
+    {
+    }
+
+}