Thanks! ok i couldn't find sufficient documentation to tell me either
way, thanks! it's always something silly.
On Dec 10, 3:50 pm, Frederick Cheung <[EMAIL PROTECTED]>
wrote:
> On 10 Dec 2008, at 21:33, SurviveStyle5 wrote:
>
>
>
>
>
> > I'm having a weird issue where if say....
>
> > someobject.items.sort_by {|item| item.key }
> > #or
> > someobject.items.sort_by &:key
> > #then
> > someobject.items.each do |item|
> > #somestuff
> > end
>
> > #somestuff is not in sorted order. if i use different syntax...
>
> > questionnaire.items.sort! { |a,b| a.key <=> b.key }
> > this works fine. why is that? does it matter?
>
> sort_by does not change the array (it returns a new, sorted, array),
> as does sort.
> sort! on the other hand changes the array you call it on (as the !
> indicates)
>
> Fred
>
> > rails --version
> > Rails 2.1.1
>
> > ruby --version
> > ruby 1.8.6 (2008-03-03 patchlevel 114) [universal-darwin9.0]
>
> > thoughts?
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