thanks for responses, it makes sense that it failed, because the each iterator is only intended to iterate over one object at a time. I need more time of my own to investigate a better way to do this.
On Oct 29, 2:28 pm, Dave Aronson <[email protected]> wrote: > On Sat, Oct 29, 2011 at 00:09, John Merlino <[email protected]> wrote: > > ruby-1.9.2-p136 :095 > portfolio.each {|n, b| n <=> b } > > NoMethodError: undefined method `balance' for nil:NilClass > > > It appears that the each iterator does not support passing in two > > arguments? > > Correct. "each" means "apply this block to each of this collection's > elements in turn", not "... in parallel". Otherwise you'd have to > have the block accept exactly as many args as there are elements. (Or > of course accept a collection, in which case you're back to square > one.) > > -Dave > > -- > LOOKING FOR WORK! What: Ruby (on/off Rails), Python, other modern languages. > Where: Northern Virginia, Washington DC (near Orange Line), and remote work. > See: davearonson.com (main) * codosaur.us (code) * dare2xl.com (excellence). > Specialization is for insects. (Heinlein) - Have Pun, Will Babble! (Aronson) -- 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.
