On 10/19/2009 10:18 AM, Dan Kubb (dkubb) wrote: > MilesTogue, > > >> # db has one user, no contacts yet >> >> @user = User.first # returns first user >> if @user.contacts => error condition dependent does not map to >> relationship in Contact >> >> shouldn't it return false ? I can wrap this with a test for contacts >> but like to avoid extra code if possible. >> > This should return an empty Collection (a Collection is like an Array > of persisted resources). > > In this case you want to use Collection#any? and Collection#empty? > (inherited from Enumerable), eg: > > if @user.contacts.any? > # do something if there are *any* contacts > end > > if @user.contacts.empty? > # do something if there are *no* contacts > end > >
hmm, thks for info but I tried both @user.contacts.any? also !...@user.contacts.empty? both gave same error as before - running datamapper 0.10.1 - I'll experiment (add a contact, delete it...) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "DataMapper" group. To post to this group, send email to datamapper@googlegroups.com To unsubscribe from this group, send email to datamapper+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/datamapper?hl=en -~----------~----~----~----~------~----~------~--~---
