On Sat, Dec 26, 2009 at 3:20 PM, Matt Harrison <[email protected]> wrote: > I've got a relationship: > > Person has many MiddleNames > and > MiddleName belongs to Person > > > In irb I can add a person, add a middle name then call > > @person.middle_names.first.name
And what happens if you don't add a middle name. [].first #=> nil > > to get that middle name. However when I try the exact same code in a view, I > get > > undefined method `name' for nil:NilClass > > If I iterate through like so: > > for mname in @person.middle_names > puts mname.name Because if @person.middle_names is empty the loop body is not executed. > > Then it works perfectly, but for some reason using ".first" is failing in > the view. I've used this method many many times and never come across > anything quite like this. > > I believe I'm probably overlooking some incredibly simple answer and I'm > going to kick myself when someone points it out, but for now I'm completely > stumpted. > > Any input appreciated. > > Thanks > > Matt > -- Rick DeNatale Blog: http://talklikeaduck.denhaven2.com/ Twitter: http://twitter.com/RickDeNatale WWR: http://www.workingwithrails.com/person/9021-rick-denatale LinkedIn: http://www.linkedin.com/in/rickdenatale -- 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.
