[Rails] What does the model association option -> mean? order matters?

Ruby on Rails Thursday, July 21, 2016

Currently I have this and it works:

has_many :reports, -> { order(id: :desc) }

I added this and it works:

has_many :reports, -> { order(id: :desc) }, :dependent => :destroy

But this doesnt:

has_many :reports, :dependent => :destroy, -> { order(id: :desc) }

Can someone explain why the last case fails?

What does -> do anyhow?

Thanks.

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe@googlegroups.com.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAG2rwuNK4aF1bvPXMTe-vxMr7u8jN-5z2Z76GBVin_RUk6SmAQ%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

Ruby on Rails