Bartosz Dziewoski wrote in post #1061310:
> You would have to implement def aaa a little differently.
>
>
> If you want to call it as aaa('hello', :world): (note: this is
> generally a bad idea)
>
> def aaa(string, method)
>   print string
>   send method
> end
>
> Note the "send"  it call the method whose name is given as argument
> on "self"; in this case (with toplevel methods) it will be an implicit
> toplevel object. (If either of your methods belonged to some class,
> this would stop working  that's why it's a bad idea.)
>
>
> If you want to call it as aaa('hello', method(:world)):
>
>  def aaa(string, method)
>   print string
>   method.call
> end

Thanks!, now the method world is invoked exactly as I wanted, in the aaa
method only. With either of two ways (send or call) works perfectly!. Although I prefer to pass the method as an object and then invoke with call.