Hey On Wed, Jun 26, 2013 at 10:04 PM, Piotr Sarnacki <[email protected]> wrote:
> While technically you could say that "false" is "present", it would be > really unintuitive for most of the people as present? is supposed to be > just opposite of blank? and is used to check for truthiness. Additionally > present? is used in Rails app for a long time, so even if part of Rails > Core had agreed with your arguments, I would be really surprised seeing > this changed. > To analyze the cause, I had looked at the definition of blank? def blank? respond_to?(:empty?) ? empty? : !self end Since false does not respond to :empty?, it seems to be false being blank is just a by-product of the "!self" part of the function definition. What I wanted to understand is whether this was deliberate. Regards, Amitav > > > On Tue, Jun 25, 2013 at 7:10 PM, Matt Jones <[email protected]> wrote: > >> >> On Jun 25, 2013, at 7:36 AM, James Pinto wrote: >> >> I understand where you're coming from, >> and I completely disagree >> >> false is blank, but it's not nil, >> however, in some cases, falseness should not be validated >> >> "validates_presence_of :aggrees_with_contract"* is correct, requires the >> user to check the contract* >> "validates_presence_of :displays_photo_for_guests" *is incorrect, >> because it's only a question and it's ok if the user forgets or chooses not >> to mark* >> >> >> If it's OK if the user doesn't send this value, *why* are you validating >> for it to be present? Set a default for your boolean column (which you >> should be doing anyways :) ) and have a nice life. >> >> --Matt Jones >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Ruby on Rails: Core" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/rubyonrails-core. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > > > -- > Piotr Sarnacki > http://piotrsarnacki.com > > -- > You received this message because you are subscribed to a topic in the > Google Groups "Ruby on Rails: Core" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/rubyonrails-core/A-1oZuShUaM/unsubscribe > . > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/rubyonrails-core. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/rubyonrails-core. For more options, visit https://groups.google.com/groups/opt_out.
