Special UserData types for ILists(includes arrays) and IDictionaries

UpsilonTests/UserDataDictionaryTests.cs

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+using System.Collections.Generic;
+using Upsilon.Evaluator;
+using Xunit;
+
+namespace UpsilonTests
+{
+    public class UserDataDictionaryTests
+    {
+        [Fact]
+        public void BasicStringKeyed()
+        {
+            var arr = new Dictionary<string, int>
+            {
+                {"test", 100},
+                {"1234", 90},
+                {"here", 1683},
+            };
+            const string input = @"
+function getValue(arr)
+    return arr[""here""]
+end
+";
+            var script = new Script(input);
+            Assert.Empty(script.Diagnostics.Messages);
+            var evaluated = script.EvaluateFunction<long>("getValue", new[] {arr});
+            Assert.Empty(script.Diagnostics.Messages);
+            Assert.Equal(1683, evaluated);
+        }
+
+    }
+}

UpsilonTests/UserDataListTests.cs

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+using System.Collections.Generic;
+using Upsilon.Evaluator;
+using Xunit;
+
+namespace UpsilonTests
+{
+    public class UserDataListTests
+    {
+        [Fact]
+        public void BasicArrayTest()
+        {
+            var arr = new[] {100, 30, 56, 213, 76787};
+            const string input = @"
+function getValue(arr)
+    return arr[3]
+end
+";
+            var script = new Script(input);
+            Assert.Empty(script.Diagnostics.Messages);
+            var evaluated = script.EvaluateFunction<long>("getValue", new[] {arr});
+            Assert.Empty(script.Diagnostics.Messages);
+            Assert.Equal(56, evaluated);
+        }
+
+        [Fact]
+        public void BasicListTest()
+        {
+            var arr = new List<int> {100, 30, 56, 213, 76787};
+            const string input = @"
+function getValue(arr)
+    return arr[2]
+end
+";
+            var script = new Script(input);
+            Assert.Empty(script.Diagnostics.Messages);
+            var evaluated = script.EvaluateFunction<long>("getValue", new[] {arr});
+            Assert.Empty(script.Diagnostics.Messages);
+            Assert.Equal(30, evaluated);
+        }
+
+    }
+}