From: Sean O'Halpin <sean.ohalpin@...>
Date: 2012-08-05T05:05:10+09:00
Subject: Re: Why does it fail? def Module1::Module2.hello

On Sat, Aug 4, 2012 at 7:07 PM, Iņaki Baz Castillo <ibc@aliax.net> wrote:
> 2012/8/4 William Herry <william.herry.china@gmail.com>:
>> I know one way to define module method
>>
>> module Module1::Module2
>>   def self.hello
>>     puts 'HELLO'
>>   end
>> end
>
> Sure, but what I ask is why this works:
>
>   def Module1.hello ; end
>
> end this fails:
>
>   def Module1::Module2.hello ; end
>
>
>
> --
> Iņaki Baz Castillo
> <ibc@aliax.net>
>

As Sigurd has pointed out, it's a syntax precedence thing. You can do
this however:

def (Module1::Module2).hello
  puts "HELLO"
end

Regards,
Sean