Create README.md

Author: SplittyDev

README.md

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+# libArgument
+libArgument is a .NET library for handling command-line arguments like a boss.  
+It allows you to validate arguments on-the-fly and saves you hours of work.
+
+Features:
+
+* The generic parsing method works with any class
+* Create boolean switches with the 'Switch' attribute
+* Create arguments with parameters using the 'Argument' attribute
+* Cast argument texts to int32, int64, bool, float etc. using the 'CastAs' attribute
+
+And here's some code!
+
+```cs
+using Codeaddicts.libArguments;
+using Codeaddicts.libArguments.Attributes;
+
+// A simple class with some command-line options
+public class MyOptions
+{
+	// -i path/to/file
+    // --input path/to/file
+	[Argument ("i", "input")]
+	public string Input;
+    
+    // -o path/to/file
+    // --output path/to/file
+    [Argument ("o", "output")]
+    public string Output;
+    
+    // --log
+    [Switch ("", "log")]
+    public bool EnableLog;
+    
+    // --num 123
+    [Argument ("", "num")]
+    [CastAs (CastingType.UInt64)]
+    public UInt64 ANumber;
+}
+
+public class Program
+{
+	public static void Main (string[] args) {
+    	
+        // This is where the magic happens
+        var options = ArgumentParser.Parse<MyOptions> (args);
+        
+        // Now you can access the fields!
+        Console.WriteLine ("Input file: " + options.Input);
+        Console.WriteLine ("Output file: " + options.Output);
+        Console.WriteLine ("Your number: " + options.ANumber);
+    }
+}
+```