O2 Script to use Roslyn to Dynamically compile and execute a method

gistfile1.cs

panel.clear().add_ConsoleOut();
var code = @"
using System;
class Greeter
{
    static string Greet()
    { 
        Console.WriteLine(""Hello, World""); 
        return ""hello from here"";
    }
}";
var tree = code.astTree();
if (tree.hasErrors())
	return tree.errors(); 	

var compiler = tree.compiler("Great")
                   .add_Reference("mscorlib");

if (compiler.hasErrors()) 
	return compiler.errors();    
	
var assembly  =tree.compiler("Great")
                   .create_Assembly();

return assembly.type("Greeter")
               .invokeStatic("Greet"); 

//O2Ref:O2_FluentSharp_Roslyn.dll
//O2File:_Extra_methods_Roslyn_API.cs
//O2File:API_ConsoleOut.cs