On 25.02.2012, at 23:41, John Merlino wrote: > I was always under assumption that the block accepts the return value > of the iterator as the argument to the block, but look at this: > > Array.new(500) do | i | > puts i > end > > > I expect i to be an array instance with 500 indexes all will nil > values. However, what it returns is indeed an array with 500 indexes > all with nil values BUT before it returns that array instance, the > block appears to execute 500 times passing an actual integer value > into the block incrementing by 1 each time. I dont understand why this > is happening.
Because 'puts()' always return nil. It just generates STDOUT output. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
