From: Rick DeNatale <rick.denatale@...>
Date: 2010-09-29T05:19:56+09:00
Subject: Re: puts and return

No, the only difference between && and 'and' is their parsing precedence.

And nearly every time I've seen and used instead of && I've found a bug.

On Tue, Sep 28, 2010 at 4:03 PM, Jim Haungs <jhaungs@gmail.com> wrote:
> 10.times do |i|
>  puts 'too big' and break if i > 5
>  puts "#{i} ok"
> end
>
> I would expect this loop to quit after printing 0 to 5, but it executes
> all 10 times. I know "puts" return nil, but isn't "and" (as opposed to
> &&) supposed to execute both sides of the expression even if one side
> evaluates to false?
>
> Expected output:
> 0 ok
> 1 ok
> 2 ok
> 3 ok
> 4 ok
> 5 ok
> too big
>
> Actual output:
> 0 ok
> 1 ok
> 2 ok
> 3 ok
> 4 ok
> 5 ok
> too big
> 6 ok
> too big
> 7 ok
> too big
> 8 ok
> too big
> 9 ok
> --
> Posted via http://www.ruby-forum.com/.
>
>



-- 
Rick DeNatale

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