From d4f8cf6e06f260ebbb9244e3f1ad8497c35ade63 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Thu, 13 Jul 2017 14:03:30 +0200
Subject: [PATCH] Added gadget

---
 PullRequestSandbox/Gadget.cs                 | 27 ++++++++++++++++++++
 PullRequestSandbox/Guard.cs                  | 19 ++++++++++++++
 PullRequestSandbox/PullRequestSandbox.csproj |  2 ++
 3 files changed, 48 insertions(+)
 create mode 100644 PullRequestSandbox/Gadget.cs
 create mode 100644 PullRequestSandbox/Guard.cs

diff --git a/PullRequestSandbox/Gadget.cs b/PullRequestSandbox/Gadget.cs
new file mode 100644
index 0000000..7460af8
--- /dev/null
+++ b/PullRequestSandbox/Gadget.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PullRequestSandbox
+{
+    class Gadget
+    {
+        Dictionary<string, string> values = new Dictionary<string, string>();
+
+        public void SetBlerp(string value)
+        {
+            Guard.NotNull(value, nameof(value));
+
+            values["blerp"] = value;
+        }
+
+        public void SetBloop(string value)
+        {
+            Guard.NotNull(value, nameof(value));
+
+            values["bloop"] = value;
+        }
+    }
+}
diff --git a/PullRequestSandbox/Guard.cs b/PullRequestSandbox/Guard.cs
new file mode 100644
index 0000000..8bb01a9
--- /dev/null
+++ b/PullRequestSandbox/Guard.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PullRequestSandbox
+{
+    static class Guard
+    {
+        public static void NotNull<T>(T value, string paramName)
+        {
+            if (value == null)
+            {
+                throw new ArgumentNullException(paramName);
+            }
+        }
+    }
+}
diff --git a/PullRequestSandbox/PullRequestSandbox.csproj b/PullRequestSandbox/PullRequestSandbox.csproj
index bb80d26..918d31d 100644
--- a/PullRequestSandbox/PullRequestSandbox.csproj
+++ b/PullRequestSandbox/PullRequestSandbox.csproj
@@ -43,6 +43,8 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Gadget.cs" />
+    <Compile Include="Guard.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>