Refactor (#94)

CliFx.Benchmarks/Benchmarks.McMaster.cs

@@ -0,0 +1,25 @@
+using BenchmarkDotNet.Attributes;
+using McMaster.Extensions.CommandLineUtils;
+
+namespace CliFx.Benchmarks
+{
+    public partial class Benchmarks
+    {
+        public class McMasterCommand
+        {
+            [Option("--str|-s")]
+            public string? StrOption { get; set; }
+
+            [Option("--int|-i")]
+            public int IntOption { get; set; }
+
+            [Option("--bool|-b")]
+            public bool BoolOption { get; set; }
+
+            public int OnExecute() => 0;
+        }
+
+        [Benchmark(Description = "McMaster.Extensions.CommandLineUtils")]
+        public int ExecuteWithMcMaster() => CommandLineApplication.Execute<McMasterCommand>(Arguments);
+    }
+}