From: Derek Chesterfield <dez@...>
Date: 2005-09-24T21:14:09+09:00
Subject: Re: self.puts?


On 24 Sep 2005, at 12:47pm, Stefan Lang wrote:

> On Saturday 24 September 2005 12:30, Derek Chesterfield wrote:
>
>> how come the
>> result of 'puts' is different to the result of 'self.puts'?
>
> Ruby doesn't allow that a private method is called with an explicit
> receiver. If you write "self.puts", "self" is an explicit receiver.
> If you simply write "puts" the receiver is implicitly "self".

Ah - I knew it was semantics! Thanks for your explanation. It makes  
perfect sense now: because it is a private method, you *shouldn't*  
need to write it explicitly! This code also solidified it for me:

> $ irb
> irb(main):001:0> module Kernel
> irb(main):002:1> public :puts
> irb(main):003:1> end
> => Kernel
> irb(main):004:0> puts "asd"
> asd
> => nil
> irb(main):005:0> self.puts "asd"
> asd
> => nil

Thanks again!