I'm getting an error when there is a one to many relationship but no
children exist
class User
has n, :contacts
class Contact
belongs_to :user
# 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.
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