Forum: Ruby Why `10` not returned without the `return` from the block ?

CODE - I

class Fixnum
alias other_s to_s
def to_s
a = self + 5
return a.other_s
end
end
#=> nil
puts 5
10
#=> nil

CODE - II

class Fixnum
alias other_s to_s
def to_s
self + 5
#return a.other_s
end
end

puts 5
#<Fixnum:0x00000b>
#=> nil

What I know that block returns automatically its last expression. Why
does `10` not the returned
here, rather `#<Fixnum:0x00000b>`?

But with the `return a.other_s` `10` printed - what is the concpetual
difference between CODE-I and CODE - II?

Please help me to understand.

Thanks

Again, as you have been asked previously, WHY are you screwing around
attempting to rewrite core classes of Ruby when you DO NOT understand 
how
to use them properly in the first place?

Drop your Eloquent Ruby book, and WORK THROUGH 
codecademy.com/tracks/ruby
COMPLETELY!
THEN post to the list if you still have problems. You have VERY sketchy
Ruby knowledge which that URL will flesh out so that you understand at
least the basics. DO NOT post to the list every little question you have
while working through that set of tracks. Post AFTER you have COMPLETED
the ENTIRE Ruby track there!

I can almost guarantee you that 99.999% if your current questions will 
be
answered once you COMPLETE the ENTIRE Ruby track there.

On Wed, Feb 27, 2013 at 2:36 PM, Love U Ruby <lists@ruby-forum.com> 
wrote:
> puts 5
> end
> But with the `return a.other_s` `10` printed - what is the concpetual
> difference between CODE-I and CODE - II?

Come on, that's really simple: You do not invoke #other_s.

robert

But why mean to say when the below code works:

class Simple
def foo
2 + 2
end
end
#=> nil
simple = Simple.new
#=> #<Simple:0x11eb390>
simple.foo
#=> 4


Why not the below:

class Fixnum
def to_s
self + 5
end
end
#=> nil
puts 10
#<Fixnum:0x000015>
#=> nil

Hope my confusion is clear.

Read this:
http://ruby-doc.org/core-2.0/Object.html#method-i-inspect

I seriously believe now that you are trolling this list. I, for one, am
done. You have been pointed over and over to documentation, to 
tutorials,
to online FREE courses to teach you Ruby, both basic and intermediate
levels. You take NO advantage of them.

I will block all email from you, from the mailing list that contains 
your
email address and username.

I'd rather spend my time helping someone who really wants to learn, not
half ass their learning. I hope one day you actually learn Ruby. Right
now, you're not even close.

D. Deryl Downey wrote in post #1099370:
> I seriously believe now that you are trolling this list. I, for one, am
> done. You have been pointed over and over to documentation, to
> tutorials,
> to online FREE courses to teach you Ruby, both basic and intermediate
> levels. You take NO advantage of them.
>

Sorry! my last post was actually thrown before your one. But don't know 
how it appeared last. And I have seen your excellent suggestion 
late,when my one actually sent.

Yes,I will do now, what you suggested. Thanks for the suggestions. But 
doing some try to understand how that url works, how to start.


Yes, I want to learn not to troll. believe me.


Please don't take me wrongly.

Thanks

On Wed, Feb 27, 2013 at 4:12 PM, Love U Ruby <lists@ruby-forum.com> 
wrote:
> But why mean to say when the below code works:

> Hope my confusion is clear.

Yes, perfectly.  It was clear all the way.  But you refuse to ignore
the hints you are given.  By offloading thinking to other people you
will never _learn_ something let alone become a programmer or software
engineer.

Good luck!

robert

Robert Klemme wrote in post #1099496:
> On Wed, Feb 27, 2013 at 4:12 PM, Love U Ruby <lists@ruby-forum.com>
> wrote:
>> But why mean to say when the below code works:
>
>> Hope my confusion is clear.
>
> Yes, perfectly.  It was clear all the way.  But you refuse to ignore
> the hints you are given.  By offloading thinking to other people you
> will never _learn_ something let alone become a programmer or software
> engineer.
>
> Good luck!
>
> robert

Thanks @Robert!

On Wed, Feb 27, 2013 at 5:56 PM, Love U Ruby <lists@ruby-forum.com> 
wrote:

> Yes, I want to learn not to troll. believe me.
>
> Please don't take me wrongly.

Then take feedback serious and behave according to your stated
intentions.  If you don't the way you are viewed in the community
won't change because people tend to judge other people by their
behavior and not only by their stated intentions.

robert