function doSomething(name) 
{
	console.log('Hello, ' + name);
}
  
function loggingDecorator(wrapped) 
{
    return function(args) 
	{
    	console.log('Starting');
      	const result = wrapped.apply(this, [args]);
      	console.log('Finished');
      	return result;
    }
}

function loggingDecorator2(wrapped)
{
    return (args)=>
	{
      	console.log('Starting');
      	const result = wrapped.apply(this, [args]);
      	console.log('Finished');
      	return result;
    }
}
  
let loggingDecorator3 = (name, wrapped)=>
{
    return ()=>
	{
      console.log('Starting');
      const result = wrapped(name);
      console.log('Finished');
      return result;
    }
}
  
const wrapped = (name)=>{const fn=loggingDecorator(doSomething); fn(name);};
const wrapped2 = (name)=>{const fn=loggingDecorator2(doSomething);fn(name);};
const wrapped4 = (name)=>{const fn=loggingDecorator3(name, doSomething); fn();};

function readonly(target, name, descriptor) 
{
    descriptor.writable = false;
    console.log(name);
    return descriptor;
}

class Example 
{
    a() {}
    @readonly
    b() {}

    fooBar()
    {
        this.a();
        this.b();
    }
}
  
function  fooBar()
{
	doSomething('selvyn');

	wrapped('tomo');
    wrapped2('michelle');

    let x = loggingDecorator3('Alison', doSomething);
    x();

    wrapped4('tomo');

    const e = new Example();
}