From fdfa5701e906e6170a0ace13f65b765eb4f107aa Mon Sep 17 00:00:00 2001
From: "R.G. Esteves" <rgesteves@gmail.com>
Date: Fri, 20 Jul 2018 05:46:18 -0700
Subject: [PATCH] Started implementation of Maybe

---
 ExternalProfilerDriver/VTuneInvoker.cs   | 19 +++++++++++++++++++
 ExternalProfilerDriverTest/MaybeTests.cs | 17 +++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 ExternalProfilerDriverTest/MaybeTests.cs

diff --git a/ExternalProfilerDriver/VTuneInvoker.cs b/ExternalProfilerDriver/VTuneInvoker.cs
index 59591a2..ca42218 100644
--- a/ExternalProfilerDriver/VTuneInvoker.cs
+++ b/ExternalProfilerDriver/VTuneInvoker.cs
@@ -25,6 +25,25 @@
 
 namespace ExternalProfilerDriver
 {
+    public struct Maybe<T>
+    {
+        public readonly static Maybe<T> None = new Maybe<T>();
+        public T Value;
+        public bool HasValue;
+
+        public Maybe(T value) {
+            Value = value;
+            HasValue = true;
+        }
+
+        public override string ToString()
+        {
+            if (!HasValue) {
+                return "<None>";
+            }
+            return Value.ToString();
+        }
+    }
 
     public class VTuneInvoker
     {
diff --git a/ExternalProfilerDriverTest/MaybeTests.cs b/ExternalProfilerDriverTest/MaybeTests.cs
new file mode 100644
index 0000000..254af5d
--- /dev/null
+++ b/ExternalProfilerDriverTest/MaybeTests.cs
@@ -0,0 +1,17 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using ExternalProfilerDriver;
+
+namespace ExternalProfilerDriverTest
+{
+    [TestClass]
+    public class MaybeTest
+    {
+        [TestMethod]
+        public void TestMaybeNone()
+        {
+            Maybe<string> testNothing = Maybe<string>.None;
+
+            Assert.IsFalse(testNothing.HasValue);
+        }
+    }
+}